Best Refrigerator Water Filters 2026: OEM vs Aftermarket
The best refrigerator water filters in 2026 are the ones whose certification you can look up yourself, and that depends on the code inside your filter housing. For Whirlpool-family Filter 3 fridges it’s the everydrop Filter 3, the only fridge cartridge I found in NSF International’s database for PFOA and PFOS. For GE MWF fridges it’s the Glacier Fresh GF-MWF, and for LG it’s the Waterdrop Plus WDP-LT1000P. Both are certified aftermarket cartridges at about a third of the OEM price.
The refrigerator filter is the one water filter almost every American household already owns, and the one almost nobody checks. The fridge beeps, you buy whatever fits, and you assume the water from the door is cleaner than the water going in.
Here’s what nobody tells you: the gap between a $50 name-brand cartridge and a $15 “compatible” one is not always the filtration. Sometimes the cheap one carries the same NSF International listing as the expensive one. Sometimes it’s shredded newspaper in a plastic shell, which is what the appliance industry’s trade group says it has found inside counterfeits.
In 2018 that trade group, AHAM, had counterfeit fridge filters tested at independent labs. Of the 32 tested for lead removal, 100% failed. A year later, Customs seized 5,202 fake filters in one shipment at the LA/Long Beach seaport, and the infringed trademarks included NSF’s certification mark.
So this guide does what the box can’t. For every filter below I opened the certifier’s own listing where one could be opened, named the body that issued it, and wrote down which contaminants it covers. Where I couldn’t open a listing, I say so. If you own a GE, LG, Samsung, or Whirlpool-family refrigerator and want to know whether the OEM premium buys anything, this is for you.
Affiliate disclosure: FilterdWaterGuide.com earns a commission if you buy through some of the links on this page, at no extra cost to you. Glacier Fresh and Waterdrop are both brands we can earn on. They made the list because the specific cartridges below carry verifiable certifications, and the sections that follow name the cartridges of theirs that do not.
Quick Picks
- everydrop Filter 3 (EDR3RXD1), best certified scope: the one fridge filter here that NSF International lists for PFOA and PFOS, not just lead.
- Glacier Fresh GF-MWF, best certified aftermarket for GE MWF fridges: NSF/ANSI 42 listed by NSF International, plus an IAPMO R&T file number for NSF/ANSI 53 lead, at a third of the OEM price.
- Waterdrop Plus WDP-LT1000P, best certified aftermarket for LG: an NSF International 42/53/401 listing I could open, for $14.99.
- Waterdrop Plus WDP-F19C, best aftermarket for chip-locked GE: an RFID chip for RPWFE fridges, plus an NSF International 42/53/401 listing.
- Samsung HAF-QIN, best OEM for Samsung: NSF International 42/53/401, in a fridge family where aftermarket fit goes wrong most often.
- GE XWFE, best OEM for chip-locked GE: the cartridge your fridge was built to authenticate, with a certification trail I could not fully open.
How We Verified the Best Refrigerator Water Filters (and Why “NSF Certified” on the Box Is Not Enough)
Every certification claim here was checked against NSF International’s certified products database on September 17, 2026. For IAPMO R&T certifications, I used the file number on the product’s documentation, because IAPMO’s directory can’t be searched the same way. A WQA or IAPMO certification is real but never appears in NSF’s database, so “not on info.nsf.org” doesn’t mean “uncertified.” It means the claim needs a different paper trail, and I say which one I used for each pick.
Three things trip people up. “Tested to NSF standards” is a one-time lab result, not certification. Certification means ongoing oversight: factory audits, retesting, a listing anyone can look up. “NSF/ANSI 372” means the housing is lead-free and says nothing about removing lead from water.
And an NSF/ANSI 53 certification covers only the contaminants named in the listing. That’s why one everydrop cartridge below is listed for PFOA and PFOS and its sibling isn’t. Consumer Reports’ 2018 aftermarket investigation, the AHAM counterfeit study, and GE’s and Samsung’s support pages fill in the rest.
One product family got cut. The standard Waterdrop WD-series fridge cartridge I checked (no “Plus” in the name) is listed under NSF/ANSI 42 for chlorine taste and nothing for lead. Only Plus models I could open in NSF’s database earned a spot.
everydrop Filter 3 (EDR3RXD1): Best Certified Scope of Any Fridge Filter
The one refrigerator filter here that NSF International lists for PFOA and PFOS.
| Spec | Detail |
|---|---|
| Price | $49.98 single (Amazon, as of September 2026) |
| Fits | Whirlpool, Maytag, KitchenAid, Jenn-Air and Amana fridges that take Filter 3 (replaces 4396841, 4396710, W10193691) |
| Certifications | NSF/ANSI 42, 53 and 401, certified by NSF International (models EDR3RXD1B, EDR3RXD1R) |
| Certified for | Lead, mercury, asbestos, cysts, VOCs, TTHMs, PFOA, PFOS (53); microplastics and 15 pharmaceuticals and chemicals (401) |
| Filter life | 6 months / 200 gallons (service cycle per the NSF listing) |
Why we recommend it: I assumed no fridge filter could honestly claim PFAS. Then I opened Whirlpool’s listing in NSF International’s database and found the Filter 3 certified under NSF/ANSI 53 for PFOA and PFOS. Lead, mercury, asbestos, cysts, VOCs and total trihalomethanes sit on the same list, and the 401 scope includes microplastics. That’s the broadest verifiable scope of any cartridge in this guide, OEM or aftermarket.
The caveat: the certification covers PFOA and PFOS specifically, not the wider PFAS family. A fridge filter is no substitute for reverse osmosis if your utility has a documented PFAS problem. Our PFAS filter guide covers the systems that do that job.
If your Whirlpool-family fridge takes Filter 1 (EDR1RXD1, $53.98 on Amazon) instead, the OEM cartridge is also NSF-listed under 42, 53 and 401. Its 53 scope names lead, asbestos, cysts and VOCs, but not PFOA/PFOS. It’s still the right buy. Waterdrop’s WDP-F38 for that fit returned “No Matching Products Found” in NSF’s database, so for Filter 1 fridges the OEM is the cartridge with a lead certification I could open.
Best for: Households whose refrigerator takes Filter 3 and who want the door dispenser to carry a real, checkable PFOA/PFOS certification.
Before you spend your money:
- It fits only refrigerators built for Filter 3. If yours takes Filter 1, 2 or 4, this cartridge is irrelevant.
- At $49.98 every six months it’s one of the most expensive recurring costs here, and the “compatible” cartridges sold beside it don’t carry the same listing.
Our rating: 4.5/5
Glacier Fresh GF-MWF: Best Certified Aftermarket for GE MWF Refrigerators
The aftermarket cartridge that did the paperwork, at a third of the OEM price.
| Spec | Detail |
|---|---|
| Price | $16.99 single (Amazon, as of September 2026); GE’s genuine MWF runs about $50 |
| Fits | GE MWF, MWFP, MWFA, GWF, HDX FMG-1, Kenmore 46-9991 |
| Certifications | NSF/ANSI 42 (NSF International, listed under Ningbo Pureza Technology, C0396060); NSF/ANSI 53 (IAPMO R&T, file W-11601, per Glacier Fresh’s documentation) |
| Certified for | Lead (53); chlorine taste and odor (42) |
| Filter life | 6 months / 200 gallons (capacity per the NSF listing) |
Why we recommend it: Glacier Fresh put its GE MWF cartridge through two separate bodies and publishes the file numbers. The Standard 42 listing is in NSF International’s database under the manufacturer, Ningbo Pureza Technology, and I opened it. For NSF/ANSI 53 lead reduction, Glacier Fresh cites IAPMO R&T file W-11601.
Note the certifier for lead. It’s IAPMO, not NSF International, which is why the 53 listing isn’t on info.nsf.org. That’s a real certification with a different paper trail, not a missing one. IAPMO’s directory at pld.iapmo.org is where that file number gets checked, and I’m relying on the number Glacier Fresh publishes rather than a row I opened myself.
For a GE fridge that takes the chip-free MWF, that puts certified lead reduction in the door for $16.99 instead of roughly $50, twice a year. The manufacturer’s 97.9% chlorine figure is its own test result, not part of the certification.
Best for: Owners of MWF-compatible GE and Kenmore refrigerators who want certified lead reduction without paying GE’s price twice a year.
Before you spend your money:
- Filter compatibility varies by refrigerator model, so verify your fridge brand and model before purchasing. Glacier Fresh also sells GE cartridges in more than one certification tier under similar names; its single-pack chip XWFE on Amazon is labeled NSF/ANSI 42 only.
- The certified scope is lead and chlorine. No 401 listing, no PFAS listing of any kind.
Our rating: 4.5/5
Waterdrop Plus WDP-LT1000P: Best Certified Aftermarket for LG Refrigerators
An NSF International listing I could actually open, for $14.99.
| Spec | Detail |
|---|---|
| Price | $14.99 single (Amazon, as of September 2026); LG’s genuine LT1000P typically runs $45 to $55 |
| Fits | LG LT1000P, LT1000PC, LT1000PCS, ADQ74793501, Kenmore 46-9980 |
| Certifications | NSF/ANSI 42, 53 and 401, certified by NSF International (listed under manufacturer Qingdao Ecopure Filter Co., element EFF-6046S) |
| Certified for | Lead, mercury, cysts, benzene, carbofuran, endrin (53); phenytoin, ibuprofen, naproxen, estrone, BPA, nonylphenol (401) |
| Filter life | 6 months / 200 gallons (service cycle per the NSF listing) |
Why we recommend it: This is where the OEM-versus-aftermarket story flips. LG describes the genuine LT1000P as NSF-certified to 42, 53 and 401, and at least one retailer calls it IAPMO-certified. I searched NSF’s database for LT1000P and could not find LG’s cartridge.
What I found was a listing for the exact element inside the Waterdrop Plus, certified by NSF International to all three standards with lead, mercury and cysts named under 53. The same element, EFF-6046S, is listed under the Amazon Basics, Insignia and AquaCrest names too. Follow the money: you’re paying for the label, not a different filter.
LG’s cartridge may well be certified by WQA or IAPMO, and I wouldn’t call it uncertified. I could not open its listing, and I could open Waterdrop’s.
Best for: LG owners who want a lead certification they can verify in five minutes on info.nsf.org.
Before you spend your money:
- Waterdrop’s “reduce PFAS” language in the Amazon title describes a lab test, not a certification. Nothing in the NSF listing mentions PFOA or PFOS.
- Waterdrop ships standard, Plus and alkaline LT1000P variants under nearly identical Amazon titles. The Plus is the one with the 53 and 401 listing I opened.
Our rating: 4.5/5
Waterdrop Plus WDP-F19C: Best Aftermarket for Chip-Locked GE RPWFE Refrigerators
A certified cartridge with the RFID chip GE’s dispenser insists on.
| Spec | Detail |
|---|---|
| Price | $37.99 single (Amazon, as of September 2026); GE’s genuine RPWFE runs about $50 |
| Fits | GE refrigerators that take RPWFE or RPWF (many GE Profile French-door models) |
| Certifications | NSF/ANSI 42, 53 and 401, certified by NSF International (Qingdao Ecopure, element EFF-6019S) |
| Certified for | Lead, mercury, cysts, benzene, carbofuran, endrin (53); phenytoin, ibuprofen, naproxen, estrone, BPA, nonylphenol (401) |
| Filter life | 6 months / 300 gallons (service cycle per the NSF listing) |
Why we recommend it: Newer GE refrigerators read an RFID chip in the filter, and GE’s support page is blunt about what happens without one. The control shows “ERR,” the water valve deactivates, and no water or ice dispenses.
That chip is why aftermarket GE cartridges have a bad reputation. Plenty either skip it and lock your dispenser or clone it and skip the certification. The WDP-F19C is sold with a chip for RPWFE fridges, and its element is listed by NSF International under 42, 53 and 401 with a 300-gallon service cycle, the same capacity quoted for GE’s own RPWFE.
The genuine RPWFE has one thing this doesn’t: GE’s leak-detection circuit, which lets the fridge close the water valve when a leak is detected at the filter.
Best for: RPWFE-fridge owners who want a certified lead cartridge that won’t trigger the “ERR” lockout.
Before you spend your money:
- No leak detection. GE’s genuine cartridges are part of a circuit that closes the water valve on a detected leak, and an aftermarket chip doesn’t promise that.
- Waterdrop’s WD-F19C (non-Plus) and WD-F19C-AL (alkaline) look almost identical on Amazon and are not the same listing. We don’t recommend alkaline products, so make sure the title says “Waterdrop Plus WDP-F19C.”
Our rating: 4/5
Samsung HAF-QIN: Best OEM for Samsung Refrigerators
A solid NSF International listing in the fridge family where aftermarket fit goes wrong most often.
| Spec | Detail |
|---|---|
| Price | $36.59 single (Amazon, as of September 2026) |
| Fits | Samsung fridges that take HAF-QIN (DA97-17376B); older Samsungs take HAF-CIN (DA29-00020B) |
| Certifications | NSF/ANSI 42, 53 and 401, certified by NSF International (listed under Samsung Electronics and its manufacturers 3AC and Handok Clean Tech) |
| Certified for | Lead, mercury, asbestos, cysts (53); ibuprofen, naproxen, microplastics and other emerging compounds (401) |
| Filter life | 6 months |
Why we recommend it: Samsung doesn’t use an RFID chip, so nothing stops you installing a compatible cartridge. What Samsung has is a filter head that non-genuine cartridges get wrong. “The new filter ejected when I turned the water back on” is a complaint you can find on Samsung’s own community forum.
The genuine HAF-QIN is listed by NSF International under 42, 53 and 401, with lead, mercury, asbestos and cysts under 53. At $36.59 it’s cheaper than the everydrop and GE OEM cartridges.
If your older Samsung takes the HAF-CIN (DA29-00020B), the genuine cartridge is also NSF-listed under all three standards. Waterdrop’s WD-DA29-00020B for that fit is 42 only. A Waterdrop Plus WDP-DA97-17376B for the HAF-QIN fit does appear in NSF’s database under 42 and 53, with lead named, if you want a certified aftermarket option.
Best for: Samsung owners who would rather pay $37 for a cartridge that fits than $15 for one that might not.
Before you spend your money:
- Counterfeits are rampant. Samsung puts an authentication label with a QR code on genuine packaging, which tells you how bad it is. Buy from Samsung, Amazon (sold by Amazon), or an appliance dealer.
- No PFOA/PFOS in the listing, despite “99% of harmful contaminants” in the Amazon title.
Our rating: 4/5
GE XWFE: Best OEM for Chip-Locked GE Refrigerators
The cartridge your newer GE was built to authenticate, with the one function no aftermarket chip promises.
| Spec | Detail |
|---|---|
| Price | $49.98 single (Amazon, as of September 2026) |
| Fits | GE refrigerators that take XWFE or the older XWF |
| Certifications | GE states “certified to NSF/ANSI Standards 42, 53, 372, 401” and names IAPMO as the independent lab. Not in NSF International’s database; IAPMO listing not opened |
| Claimed scope | Lead, cysts, mercury, asbestos, select pharmaceuticals, PFOA/PFOS (all per GE, none confirmed against a certifier listing) |
| Filter life | 6 months (per GE) |
Why we recommend it: If your GE takes an XWFE, the fridge is checking for it. GE’s support documentation describes the XWFE as embedded with leak-detecting technology that lets the refrigerator shut the water valve when a leak is detected at the filter. A non-GE filter produces “ERR” and no water or ice. That leak circuit is the real argument for OEM in a house where a fridge leak means a ruined floor.
On certification, I have to be exact about what I know. GE’s Amazon listing says “certified to NSF/ANSI Standards 42, 53, 372, 401” and claims PFOA/PFOS reduction. GE’s parts site says the filter was “tested and verified by independent laboratory (IAPMO).” A search for XWFE in NSF International’s database returns nothing, which fits an IAPMO certification but doesn’t prove one.
I could not open an IAPMO listing for it. So every contaminant claim in the table above is GE’s statement, not a row I read, and the rating reflects that. Remember that 372 in GE’s list is a materials standard, not a removal claim.
Best for: Owners of RFID-equipped GE refrigerators who want the leak shutoff and would rather not gamble on which aftermarket chip the fridge accepts.
Before you spend your money:
- GE’s marketing never names the certifier or a file number. A reader who searches info.nsf.org for “XWFE” and finds nothing deserves to know why, and GE doesn’t tell them.
- The aftermarket isn’t an easy out. Glacier Fresh sells chip XWFE cartridges in two tiers, one labeled NSF/ANSI 42 only and one labeled NSF/ANSI 53, under nearly identical titles. I couldn’t confirm a certifier file for the 53 version, so read the title twice and ask for the file number.
Our rating: 3.5/5
Comparison Table
| Product | Price (Sept 2026) | Fits | Certifier and Standards | Certified Scope | Filter Life | Rating |
|---|---|---|---|---|---|---|
| everydrop Filter 3 | $49.98 | Whirlpool-family Filter 3 | NSF International 42, 53, 401 | Lead, PFOA/PFOS, cysts, VOCs, microplastics | 6 mo / 200 gal | 4.5/5 |
| Glacier Fresh GF-MWF | $16.99 | GE MWF | NSF International 42; IAPMO R&T 53 (file W-11601) | Lead, chlorine | 6 mo / 200 gal | 4.5/5 |
| Waterdrop Plus WDP-LT1000P | $14.99 | LG LT1000P | NSF International 42, 53, 401 | Lead, mercury, cysts, pharmaceuticals | 6 mo / 200 gal | 4.5/5 |
| Waterdrop Plus WDP-F19C | $37.99 | GE RPWFE (chip) | NSF International 42, 53, 401 | Lead, mercury, cysts, pharmaceuticals | 6 mo / 300 gal | 4/5 |
| Samsung HAF-QIN | $36.59 | Samsung HAF-QIN | NSF International 42, 53, 401 | Lead, mercury, asbestos, cysts | 6 mo | 4/5 |
| GE XWFE | $49.98 | GE XWFE/XWF (chip) | GE states 42/53/372/401, IAPMO named; listing not opened | Per GE only | 6 mo | 3.5/5 |
Do You Even Need a Fridge Filter If You Have an Under-Sink System?
The question you should actually be asking isn’t “which fridge filter” but “what is feeding the fridge.” Most refrigerators tee off the same cold line that feeds the kitchen faucet. If you’ve installed one of the systems in our under-sink filter guide and the fridge line tees off after it, the water reaching the fridge is already filtered by a cartridge with a far broader certified scope than anything on this page.
In that setup the fridge cartridge does almost nothing. The cheapest certified cartridge that keeps the dispenser running (or, on a chip-locked GE, the bypass plug) is a defensible choice. If the fridge tees off before the under-sink unit, which is common when the fridge sits on a different wall, the fridge filter is the only thing between the main and your ice maker.
Reverse osmosis changes the math again. RO water makes clear ice, but tank RO systems deliver it at reduced pressure, and refrigerator makers generally want somewhere between 20 and 40 psi at the inlet. Feeding a fridge from RO usually means a permeate pump or a tankless unit rated for the run. Do that and the fridge cartridge is redundant. Our reverse osmosis guide covers the systems themselves.
One honest counterpoint: if you aren’t installing anything under the sink this year, a certified fridge cartridge replaced on schedule is a real improvement over nothing, and for lead a meaningful one. Just don’t let it stand in for a lead-certified filter at the tap you fill bottles from. Our lead removal guide explains why the point of use matters.
How to Choose a Refrigerator Water Filter
Start with your fridge’s filter code, not the brand
Every refrigerator takes one cartridge form, and the code is printed on the old cartridge or inside the housing: MWF, XWFE, RPWFE, LT1000P, HAF-QIN, Filter 1 through 4. That code decides which cartridges fit and which certifications apply.
Glacier Fresh’s MWF cartridge carries a lead certification. Its single-pack chip XWFE is labeled 42 only. Waterdrop’s Plus LT1000P has an NSF listing. Its Plus F38 doesn’t. The certification lives in the model number, so write yours down before you shop.
Find out whether your fridge locks the filter
GE refrigerators that take the RPWFE or XWFE cartridge authenticate it with an RFID chip, and a filter without a recognized one shows “ERR” and disables the dispenser. Samsung and LG don’t lock, but Samsung’s filter head is unforgiving of loose tolerances.
On a chip-locked GE, your aftermarket refrigerator water filter options narrow to cartridges with both a chip and a certification. In this guide that means the Waterdrop Plus WDP-F19C for RPWFE fridges.
Look up the listing yourself, in the right database
Go to info.nsf.org and search the cartridge model number, not the fridge brand. If it’s there, read which contaminants sit under NSF/ANSI 53. Lead and cysts matter for most households, and PFOA/PFOS appears on almost no fridge cartridges.
If it isn’t there, WQA and IAPMO certifications are real and live in separate databases (find.wqa.org and pld.iapmo.org). What you want is a named certifier and a file number. A cartridge that names neither is uncertified until proven otherwise. Our replacement filters guide runs the same refrigerator filter certification check for pitchers and under-sink cartridges.
Do the math on the recurring cost
A fridge cartridge is a subscription. At six-month intervals, the everydrop Filter 1 costs about $108 a year, the Glacier Fresh GF-MWF about $34, the Waterdrop Plus LT1000P about $30.
Over a ten-year refrigerator that’s a gap of more than $700, which is why the aftermarket exists and why counterfeiters bother. The cheapest certified cartridge for your fit is the right answer. The cheapest cartridge, full stop, is how you end up with shredded newspaper.
Replace on time, and know what “on time” means
Every cartridge here is rated for six months, and the NSF listings I opened put service cycles at 200 to roughly 300 gallons. A family of four that fills every bottle from the door can exhaust 300 gallons in four months. A couple using it for ice may not, but the carbon still degrades and bacteria still colonize a stagnant cartridge.
AHAM ran its counterfeit lead tests to twice the rated capacity, noting that most people don’t change filters at the six-month mark. Our replacement schedule guide covers setting the reminder.
FAQ
Are aftermarket refrigerator water filters as good as an OEM fridge filter? Some are, and the certifier’s database is how you tell. The Waterdrop Plus LT1000P and RPWFE-chip cartridges are listed by NSF International under 42, 53 and 401, and the Glacier Fresh GF-MWF cites an IAPMO R&T lead certification. Many others, including the standard non-Plus Waterdrop cartridge I checked, are listed for chlorine taste only. Consumer Reports’ 2018 investigation found only one aftermarket brand, Culligan, with verifiable certifications. The picture is better in 2026, but only for specific model numbers.
Do refrigerator water filters remove PFAS? Almost none are certified to. Of every fridge cartridge I checked in NSF International’s database, only Whirlpool’s everydrop Filter 3 lists PFOA and PFOS under NSF/ANSI 53. GE claims PFOA/PFOS reduction for its XWFE, but I could not open a certifier listing to confirm the scope. Waterdrop’s “reduce PFAS” is a lab test, not a certification. Our PFAS filter guide covers the systems that do the job at the tap.
Do refrigerator filters remove lead? The certified ones do, within their rated life. Five of the six picks here carry an NSF/ANSI 53 lead certification I could trace to NSF International or to an IAPMO R&T file number. The GE XWFE’s lead claim is GE’s own. The failure mode is a counterfeit cartridge (AHAM found 32 of 32 counterfeits failed lead removal) or a genuine cartridge left in for eighteen months. If your home has a lead service line or pre-1986 plumbing, treat the fridge filter as one layer and put a lead-certified filter on the tap you drink from most.
Will an aftermarket filter void my refrigerator warranty? Under the Magnuson-Moss Warranty Act, a manufacturer generally can’t void your warranty simply because you used a non-OEM part. It can decline to cover damage the part caused. A leaking aftermarket cartridge that floods the filter housing is exactly that scenario, which is why fit record matters more than sticker price.
Why won’t my GE refrigerator dispense water with a new filter? Newer GE refrigerators read an RFID chip in the cartridge. With no chip or an unrecognized one, the display shows “ERR” and the water valve stays closed. Your options are a genuine GE cartridge, an aftermarket cartridge with a working chip (the Waterdrop Plus WDP-F19C for RPWFE fridges), or GE’s bypass plug WR17X33825 for XWFE fridges, which restores the dispenser with no filtration and no leak detection.
How do I know if my fridge filter is counterfeit? Buy from the manufacturer, from Amazon with “sold by Amazon.com,” or from an appliance dealer. Third-party marketplace listings are where fakes like the ones Customs seized get sold. Samsung puts an authentication label with a QR code on genuine packaging, and GE’s chip-locked fridges reject cartridges they don’t recognize. A “genuine” OEM cartridge priced far below every other retailer is the most reliable warning sign there is.
Final Verdict
If your refrigerator takes it, the everydrop Filter 3 is the pick. It’s the only fridge cartridge I could verify in NSF International’s database for PFOA and PFOS on top of lead, and that’s rare in this category.
For everyone else, the answer depends on the code inside your filter housing. GE MWF owners should buy the Glacier Fresh GF-MWF and pocket the difference. LG owners should buy the Waterdrop Plus WDP-LT1000P and read its NSF listing for themselves.
Chip-locked GE fridges get the Waterdrop Plus WDP-F19C if they take RPWFE, or the genuine GE XWFE if they don’t, with eyes open about GE’s paperwork. Samsungs and Whirlpool-family Filter 1 fridges should stay with the Samsung HAF-QIN and the everydrop Filter 1, because for those fits the OEM cartridge has the NSF listing I opened and the fit you can count on.
Whatever you buy, the fridge is a second line of defense. Our replacement filters guide covers the cartridges that should be your first.
Sources
- NSF International, Certified Drinking Water Treatment Units database: listings for EDR1RXD1, EDR3RXD1, HAF-QIN/EXP, DA29-00020B, WDP-LT1000P (EFF-6046S), WDP-F19C, WDP-DA97-17376B and Ningbo Pureza GF-MWF; searches for XWFE, GF-MWF by trade name and WDP-F38 returning no entries (retrieved September 17, 2026)
- IAPMO R&T file W-11601 (Glacier Fresh GF-MWF, NSF/ANSI 53), as cited in Glacier Fresh’s product documentation; IAPMO R&T Product Listing Directory
- GE Appliances support, “Refrigerator Water Filter – XWFE” (leak-detecting technology, “ERR” display with non-GE filters, bypass plug WR17X33825)
- Consumer Reports, “How to Find a Cheaper Replacement Water Filter for Your Refrigerator,” Daniel Wroclawski, 2018
- Association of Home Appliance Manufacturers, “AHAM Releases New Report Detailing Dangers of Counterfeit Filters,” May 16, 2018
- U.S. Customs and Border Protection, “Over 5,200 Fake Refrigerator Water Filters from China Seized by CBP at LA/Long Beach Seaport,” 2019
- LG Electronics LT1000P page; Samsung Community threads on HAF-QIN authentication and fit; Glacier Fresh product pages; GE Appliances Parts XWFE page; Amazon.com listings for all ASINs cited (September 2026)
