Parts
Model number to replacement part: which cartridge, membrane or lamp fits, on what interval, and which cross-fit alternatives exist.
You already own the equipment. These pages give the exact replacement part number, the interval it is changed on, and the alternatives that fit the same housing.
LG LT600P Refrigerator Water Filter: Part Numbers 5231JA2006A and 5231JA2006F, the Kenmore 469990 Twin, and Which Cross-Fits NSF Lists
LG LT600P (5231JA2006A / 5231JA2006F) is rated 300 gallons or 6 months; NSF lists it at 0.5 gpm to NSF/ANSI 42 and 53, with lead and cyst reduction.
Aquasana AQ-5200 Claryum 2-Stage Replacement Filters: The AQ-C2-R (AQ-5200R) Set, Its Rating and What Else Fits
Aquasana Claryum 2-Stage AQ-5200 and AQ-6200 take the AQ-C2-R set (AQ-5200R): 500 gallons or 6 months, 0.5 gpm, WQA to NSF/ANSI 42, 53, 401 per Aquasana.
GE GSWF Refrigerator Water Filter: Which GE Top-Freezer and Bottom-Freezer Models Take It, the 300 vs 750 Gallon Question, and Which Cross-Fits NSF Lists
GE GSWF twist-and-lock cartridge: GE says 6 months, prints both 300 and 750 gallons, and has stopped making it. Which cross-fits NSF lists to 42, 53 and 401.
Frigidaire EPTWFU01 PureSource Ultra II Filter: What It Is Certified For, How It Differs from ULTRAWF, WF3CB and FPPWFU01, and Which Cross-Fits Are NSF Listed
Frigidaire EPTWFU01 PureSource Ultra II: 125 gal, 0.65 gpm, 6 months, IAPMO R&T certified to NSF/ANSI 42, 53 and 401. NSF-listed cross-fits are 200 gal at 0.5 gpm.
Well Pump Pressure Switch Replacement: Square D Pumptrol FSG2J20, FSG2J21 and FSG2J24 for 20-40, 30-50 and 40-60 psi
Read the pressure pair off the old switch. Square D Pumptrol FSG2J20 is 20-40, FSG2J21 is 30-50, FSG2J24 is 40-60 psi; add M4 for a low-pressure cutoff.
Shower Filter Replacement Cartridge by Model: AQ-4125, WHR-140, HOC, SLC, SFC100 and the Gallon Rating Behind Each
Aquasana AQ-4100/4105 take AQ-4125 (10,000 gal or 6 months), Culligan WSH-C125 takes WHR-140, Sprite HO2 takes HOC (25,000 gal), SL2 takes SLC, SF100 takes SFC100.
Well Pressure Tank Cross-Reference: WX-202, HT-20B, V60, WR 60 and RL20A by Capacity Class
Amtrol WX-202, Water Worker HT-20B, Goulds V60, Flexcon WR 60 and Red Lion RL20A share the 20-gallon, 1 in slot. Drawdown at 40/60 psi: 5.3 to 5.9 gal.
Bluevua RO100ROPOT Replacement Filters: Which Filter Fits the RO100ROPOT and RO100ROPOT-UV, and How Often to Change Each One
Bluevua RO100ROPOT and RO100ROPOT-UV take the same PP, CTO, RO and PCF filters: 12 months for PP, CTO and PCF, 12-24 months for the RO membrane.
Brita Faucet Filter Replacement: Which Mount Takes the FR-200, What Basic, Complete, Elite and Elite Advanced Mean, and the Cross-Fit That Claims to Fit
Every Brita faucet mount (FF-100/SAFF-100, Elite or Elite Advanced) takes the FR-200: 100 gallons, 0.58 gpm, WQA-certified to NSF/ANSI 42, 53 and 401.
DREO Reverse Osmosis Replacement Filters: Which Cartridge Fits the RO Water Filter 112 and the RO Water Filter 511
DREO RO Water Filter 112 takes one 265 gallon combo cartridge; the 511 takes DR-KPA018 (about 1,050 gallons) or DR-KPA017 plus the 6 month DR-KPA016.
Frigidaire WF3CB PureSource3 Filter: What Fits, Which Cross-Fits Are NSF Listed, and Why the EPTWFU01 Is Not the Same Cartridge
Frigidaire WF3CB is the PureSource3 cartridge. Its NSF-listed cross-fits are rated 300 gal at 0.5 gpm to NSF/ANSI 42; the EPTWFU01 is a different 200 gal element.
LG LT800P Refrigerator Water Filter: Part Numbers, What Fits, Cross-Fit Alternatives and How It Differs From the LT700P and LT1000P
LG LT800P (ADQ73613401, ADQ73613408) is rated 200 gallons or 6 months, NSF/ANSI 42 and 53 per LG's page; ICEPURE's cross-fit lists 42 and 372, not 53.
Samsung DA29-00003G Refrigerator Water Filter: Why It Is the HAFIN1/EXP and Not the HAF-CIN, What It Replaces and Which Cross-Fits Match
DA29-00003G is Samsung's HAFIN1/EXP cartridge for head DA97-06317A, not the 300-gallon HAF-CIN DA29-00020B; the ICEPURE cross-fit lists NSF/ANSI 42.
Whirlpool EDR2RXD1 (everydrop Filter 2): Which Refrigerators Take It, What It Replaces, and What Is Actually Published
everydrop Filter 2 EDR2RXD1: 200 gallons or 6 months, NSF/ANSI 42, 53 and 401, 70 contaminants including 99% of microplastics, per Whirlpool's own product page.
Aquasana Claryum AQ-5300 Replacement Filters: Which Set Fits the AQ-5300, AQ-5300+, AQ-5200 and Direct Connect
Aquasana AQ-5300 takes AQ-C3-R (600 gal), AQ-5300+ takes AQ-C3M-R (800 gal), AQ-5200 takes AQ-C2-R (500 gal), Direct Connect AQ-MF-1-R (784 gal), all 6 months.
AquaTru Replacement Filters: Classic, Carafe and Freestanding Filter Sets, Intervals and Cross-Fits
AquaTru Classic filters last 6 months/600 gal (Pre/Carbon), 2 years/1,200 gal (RO), 1 year/600 gal (VOC). Carafe filters are rated 300 gal and do not swap.
PUR Pitcher Filter Replacement: PUR Plus PPF951K vs Plain PUR PPF900Z vs the Older CRF-950Z, Which Pitchers Take Each and What the Cross-Fits Claim
PUR Plus PPF951K (99.7% lead reduction at pH 6.5) and plain PPF900Z fit the same 14 PUR pitchers, replaced every 2 months or 40 gallons per PUR.
Samsung HAF-QIN/EXP Refrigerator Water Filter: DA97-17376B vs DA97-08006C, Which Fridges Take It and the 6-Month Interval
Samsung lists HAF-QIN/EXP as cartridge DA97-17376B for system DA97-08006C, rated 300 gallons or 6 months, NSF/ANSI 42 and 53 (no 401 on Samsung's page).
Whirlpool EDR4RXD1 (EveryDrop Filter 4): Which Refrigerators Take It, What It Replaces, and Which Cross-Fits Match
Whirlpool EDR4RXD1 (EveryDrop Filter 4) replaces Maytag UKF8001 and 4396395 per cross-fit makers, rated 300 gallons or 6 months, NSF/ANSI 42 and 372.
ZeroWater Filter Compatibility: Which Pitchers the ZR-017 Fits, When to Change It at TDS 006, and the 2025 Culligan ZeroWater Filter
One ZR-017 filter fits every legacy ZeroWater pitcher; the 2025 Culligan ZeroWater line takes ZEROF01. Both makers say replace at a TDS reading of 006.
Fleck 5600SXT Parts and Part Numbers: Every Pentair Number From the Service Manual, and Which Ones a Homeowner Actually Replaces
Fleck 5600SXT parts by Pentair number: seal kit 60125, bypass 60049, turbine meter 60626, injector 10913-x by tank size, per service manual 42684.
Frigidaire ULTRAWF PureSource Ultra Filter: Which Refrigerators Take It, How It Differs from WF3CB, EPTWFU01 and FPPWFU01, and Which Cross-Fits Are NSF Listed
Frigidaire ULTRAWF fits the PureSource Ultra push-twist housing. Cross-fits list NSF/ANSI 42 at 300 gal, 0.5 gpm. Not a WF3CB or EPTWFU01 fit.
GE MWF Refrigerator Water Filter: Which GE and Hotpoint Refrigerators Take It, What GE Publishes, and Which Cross-Fits NSF Actually Lists
GE MWF twist-in cartridge: which GE and Hotpoint fridges take it, and which cross-fits NSF lists to 42, 53 and 401 at 300 gallons and 0.5 gpm.
GE Whole House Water Filter Replacement: Which FX Cartridge Fits the GXWH40L, GXWH35F and GXWH04F Housings
GE GXWH40L and GXWH35F take the 10 x 4.5 in FXHSC or FXHTC every 3 months; GXWH04F shares the WS03X10038 O-ring. Which FX cartridge fits which housing.
GE XWF and XWFE Refrigerator Water Filters: Which GE Refrigerators Take Each, the 6 Month Interval, the Chip in the XWFE, and Which Cross-Fits Carry One
GE XWFE replaces the XWF and fits any GE fridge that names either; GE says 6 months, no gallon figure. Which cross-fits carry the chip.
Kenmore 9081, 9083 and 9930 Refrigerator Filter: Which EveryDrop Filter Each Number Crosses To, and What Else Fits
Kenmore 46-9081 is EveryDrop Filter 1 (EDR1RXD1), 46-9083 is Filter 3 (EDR3RXD1), 200 gallons or 6 months each; 46-9930 lists under Filter 1.
PUR Faucet Filter Replacement: RF9999 vs RF3375, Which Mounts Take Each Cartridge, and the Cross-Fits That Claim to Fit
PUR's sheet gives RF9999 and RF3375 one rating: 100 gallons, 0.52 gpm, NSF/ANSI 42, 53 and 401, and one fit list of 24 mounts from FM2500V to PFM400H.
Reverse Osmosis Membrane Replacement Cross-Reference: Which 1812 Membranes Fit an Under-Sink System at 50, 75 and 100 GPD
A 1812 RO membrane is 11.74 x 1.75 in per DuPont's data sheet: FilmTec TW30-1812, iSpring MC7 and MC1, APEC MEM-ES-50 and Express Water ROM all fit.
Reverse Osmosis Storage Tank Replacement: Which 1/4 in Tank Fits, Usable Gallons and the Factory Precharge by Maker
Standard RO tanks: 1/4 in NPT, 4 gal nominal, about 3.2 gal usable, factory precharge 5 to 10 psi by maker. Which tank fits, and how to swap it.
Water softener resin replacement: standard 8% crosslink vs. ResinTech's highly crosslinked CNS10, how many cubic feet, and what each maker actually publishes
Refill 1 cu ft of 8% crosslink cation resin per rated cubic foot (ResinTech CG8, Purolite C100E). ResinTech's highly crosslinked CNS10 only behind a chlorine feed.
Whirlpool EDR3RXD1 (EveryDrop Filter 3): Which Refrigerators Take It, What It Replaces, and Which Cross-Fits Match
Whirlpool EDR3RXD1 (EveryDrop Filter 3) replaces P1WB2 and, per cross-fit makers, 4396841: 200 gallons or 6 months, 73 contaminants per Whirlpool.
10 Inch Water Filter Cartridge Compatibility: Which 10 x 2.5 in Cartridges Fit a Standard Housing
A standard 10 in housing takes any 10 x 2.5 in DOE cartridge: Pentek P5 sediment at 2.38 x 9.88 in, CBC-10 carbon block at 2.88 x 9.75 in, on a #237 O-ring.
20 Inch Big Blue Cartridge Compatibility: Which 20 x 4.5 in Filters Fit Any Housing
Every 20 in Big Blue housing takes a 20 x 4.5 in cartridge: Pentek DGD at 4.50 in, EP-20BB at 4.63 in, 1 to 25 micron. Carbon block runs fatter than sediment media.
APEC ROES-50 Replacement Filters: Which Cartridges Fit the ROES-50 and ROES-PH75, and What Cross-Fits
The APEC ROES-50 takes FILTER-SET-ES (stages 1-3, every 6-12 months) and a MEM-ES-50 membrane every 2-4 years. The ROES-PH75 needs the ESPH sets, not the ES ones.
Aquasana Rhino EQ-1000 Replacement Filters: Pre-Filter, Post-Filter, Tank and Cross-Fits
The Aquasana Rhino EQ-1000 takes an EQ-304 pre-filter every 2 months, an EQ-PFC.35 post-filter every 6 months and an EQ-1000R tank at 1,000,000 gallons or 10 years.
Brita Filter Compatibility: Which Pitchers Take the Standard, Elite and Stream Filter, and Which Ones Interchange
Brita Standard (OB03) and Elite (OB06) fit every Brita pitcher except Stream and interchange: 40 gal vs 120 gal. Stream (OB05) fits only 3 models.
Culligan HF-360 and WH-HD200-C Replacement Filters: Which Cartridges Fit, and Cross-Fit Alternatives
The Culligan HF-360 takes 10 x 2.5 in cartridges (CW-MF, CW-F, P5); the WH-HD200-C takes 10 x 4.5 in (R50-BBSA, CW5-BBS, RFC-BBSA), 8,000 to 24,000 gallons each.
GE RPWFE Refrigerator Water Filter: Which Refrigerators Take It, the 170 Gallon Interval, the RFID Chip, and Which Cross-Fits Carry One
GE RPWFE: 170 gallons or 6 months, NSF/ANSI 42 and 53 per GE's data sheet, plus the RFID chip the RPWF lacks. Which cross-fits carry a chip.
iSpring RCC7 Replacement Filters: Which Cartridge Fits Each Stage of the RCC7, RCC7AK and RCC7AK-UV
iSpring RCC7 stages take FP15, FG15, FC15 (10 in, 5 micron) every 6 months, the MC7 membrane every 2-3 years, FT15 yearly. F7-GAC fits RCC7, F9K fits RCC7AK.
LG LT1000P Refrigerator Water Filter: Which Part Numbers Fit, the 200 Gallon Interval, and What Differs From the LT1000PC and LT700P
LG LT1000P (ADQ74793501) is rated 200 gallons or 6 months and listed to NSF/ANSI 42, 53 and 401 by LG. It does not fit LT700P refrigerators.
LG LT700P Refrigerator Water Filter: Part Numbers, What Fits, Cross-Fit Alternatives and Why It Is Not an LT1000P
LG LT700P (ADQ36006101) is rated 200 gallons or 6 months, NSF/ANSI 42 and 53 per LG's page, and does not fit an LT1000P (ADQ74793501) housing.
Samsung DA29-00020B Refrigerator Water Filter: Which Fridges Take It, the 300-Gallon Interval and Which Cross-Fits Match
Samsung rates the DA29-00020B (HAF-CIN/EXP) at 300 gallons or 6 months and lists it to NSF/ANSI 42 and 53; fits RF22 to RF28 French-door models.
Viqua UV Lamp Cross-Reference: S330RL, S463RL, S810RL, 602805, 602806 and Their Sleeves
Viqua S463RL fits the S5Q-PA, S330RL the S2Q-PA, 602805 the D4, 602806 the E4. Each lamp is rated 9,000 hours, changed yearly; sleeve cleaned every 12 months.
Waterdrop 10UA, 15UA and 10UB Replacement Filters: Which Cartridge Fits, the Gallon and Month Interval, and Why the UF and TSA Take Different Parts
Waterdrop 10UA and 10UB take the WD-RF10 (11,000 gallons or 12 months); the 15UA takes the WD-RF15 (19,000 gallons or 24 months). UF housings differ.
Waterdrop G3P800 Replacement Filters: Which Parts Fit, and What the G3 and G3P600 Share
The Waterdrop G3P800 takes the WD-G3-N1CF (6 months), WD-G3-N3CB (12 months) and WD-G3P800-N2RO membrane (24 months). Only the membrane differs across the G3 line.
Whirlpool EDR1RXD1 (EveryDrop Filter 1): Which Refrigerators Take It, What It Replaces, and Which Cross-Fits Match
Whirlpool EDR1RXD1 (EveryDrop Filter 1) replaces W10295370A: 200 gallons or 6 months, NSF/ANSI 42, 53 and 401 per Whirlpool, and the cross-fits.
Whirlpool WHES30 and WHES40 Parts: Nozzle and Venturi, Seal Kit, Brine Valve, Error Codes
Whirlpool WHES30/WHES40 parts by number: seal kit 7129716, nozzle and venturi 7398705 (WHES40) or 7398674 (WHES30), brine valve 7381180, and what Err1 to Err5 mean.
Express Water WH300SCKS Replacement Filters: Which Cartridges Fit, and Cross-Fit Alternatives
Express Water WH300SCKS takes FLTWH2045S1, FLTWH2045K and FLTWH2045C1 (set FLTWH2045CKS1), 4.5 x 20 in, changed every 6-12 months or 100,000 gallons.
iSpring WGB32B Replacement Filters: Which Cartridges Fit, and Cross-Fit Alternatives
The iSpring WGB32B takes one FP25B and two FC25B 20 x 4.5 in cartridges, changed every 6-12 months or 100,000 gallons. Pentek DGD and EP-20BB cross-fit.