Replacement Water Filters
Sort by:
Unlock Access to All Deals
Join BrickSeek One to enjoy unrestricted access to every corner of BrickSeek. That means immediate access to all online, pickup, in-store, and used deals as they go live!
Reveal Your Deals
- Good Deal
Good DealiSpring F2WGB22BPB 4.5” x 20” 2-Stage Whole House Water Filter Replacement Pack Set with Carbon Block and Lead Reducing Cartridges, Fits WGB22B-PB, white$62.12Save $113.83Used - Amazon.comTypically:$175.95Save $113.83MSRP:$171.19Save $109.07 - Good Deal
Good DealZeroWater 5-stage water filter replacement - 6 pack$58.49Save $26.99Online - WalmartTypically:$85.48Save $26.99MSRP:$89.99Save $31.50 - Good Deal
Good DealDelta Faucet Clarifi Reverse Osmosis Filter Cartridge, DWQ300102$70.92Save $148.07Used - Amazon.comTypically:$218.99Save $148.07MSRP:$219.00Save $148.08 - Good Deal
Good DealAPEC O-Ring Set for 3.5" Diameter Reverse Osmosis Water Filter Housings (3 Pack O-RING-SET)$7.21Save $3.68Online - WalmartTypically:$10.89Save $3.68MSRP:$7.95Save $0.74 
Home Master CsetBB2SmgCC Whole House Replacement Filter Set, 4-layer Sediment 25 to 1 micron, Heavy Duty Up-flow KDF85 Catalytic Carbon, 2 orings & grease$133.91Save $33.81Online - Amazon.comTypically:$167.72Save $33.81MSRP:$169.90Save $35.99
VEVOR Reverse Osmosis Filter, 9-Layers RO Water Filter Replacement, Compatible with SS-001 400GPD Under Sink Water Filter, 24 Months Reverse Osmosis Filter Cartridge, Reduces Lead, Chlorine, Rust$7.37Save $35.90Used - Amazon.comTypically:$43.27Save $35.90
Catit Triple Action Replacement Original Water Fountain Filters, 2 Pack – Official Replacement Filters for Catit Cat Drinking Water Fountains$5.20Save $1.78Online - Amazon.comTypically:$6.98Save $1.78
Pentair Everpure H-300-NXT Quick-Change Filter Cartridge, EV927441, for Use in Everpure H-300-NXT Drinking Water Systems, 300 Gallon Capacity, 0.5 Micron$83.49Save $93.53Used - Amazon.comTypically:$177.02Save $93.53MSRP:$169.99Save $86.50- Best Seller
Best SellerBrita Elite Water Filter Replacement, Reduces Lead - 1 Count$15.76Save $3.96Online - WalmartTypically:$19.72Save $3.96MSRP:$20.49Save $4.73 
Hydro Life 52101 HL-170 QC Under Counter Replacement Filter , White$12.98Save $30.60Used - Amazon.comTypically:$43.58Save $30.60MSRP:$44.49Save $31.51
3M 56163-03 ice160-s SQC$68.64Save $212.48Used - Amazon.comTypically:$281.12Save $212.48MSRP:$715.70Save $647.06
Brio 16" 3 Stage Single Housing Replacement Filter for Under Sink Water Filtration System Models: FUS100A & FUS100F | 18,000 Gallons or 2 Years | NSF 42 & 372 Certified$18.21Save $59.77Used - Amazon.comTypically:$77.98Save $59.77- halo quality 3pk Deodorizer Carbon Filter$23.99Save $5.12Online - TargetTypically:$29.11Save $5.12MSRP:$29.99Save $6.00
EXPRESS WATER FLTWH2045CKP1 Whole House Replacement Filter, 3 Count (Pack of 1), White$151.99Save $22.13Online - Amazon.comTypically:$174.12Save $22.13MSRP:$183.85Save $31.86
Home Master TMJRF2 Jr F2 Multi-Stage Countertop Water Filter System, 500 gallon Replaceable, Filters Fluoride Chlorine Chemicals Pesticides and more up to 93%$69.51Save $11.88Online - Amazon.comTypically:$81.39Save $11.88MSRP:$121.61Save $52.10
Vitapur BA-95H High Output Ballast$86.79Save $14.71Online - WalmartTypically:$101.50Save $14.71MSRP:$108.99Save $22.20
InSinkErator F-3000 Instant Hot Water Dispenser Under-Sink 6-Month Premium Plus Water Filter Replacement (1-Pack)$84.15Save $9.55Online - Home DepotTypically:$93.70Save $9.55MSRP:$89.00Save $4.85
Culligan RC-EZ-3 Easy Change Advanced Water Filtration Replacement Cartridge, 500 Gallons, (Pack of 1)$29.20Save $3.23Online - Amazon.comTypically:$32.43Save $3.23MSRP:$20.79
Pentair Pentek 166219 Big Clear Filter Housing, 1" NPT #10 Whole House Heavy Duty Water Filter Housing with Pressure Relief Button, 10-Inch, Blue/Clear$76.75Save $63.42Used - Amazon.comTypically:$140.17Save $63.42MSRP:$113.89Save $37.14
Pentair Everpure EF-1500 Full Flow Drinking Water System, EV985800, NSF Certified to Reduce Lead, includes Filter Head, Filter Cartridge, All Hardware and Connectors, 1,500 Gallon Capacity, 0.5 Micron$166.51Save $105.93Used - Amazon.comTypically:$272.44Save $105.93MSRP:$239.99Save $73.48
3M HF65-S Water Filtration Replacement Cartridge for Ice Series ICE165-S and ICE265-S, 5613409$82.10Save $66.79Used - Amazon.comTypically:$148.89Save $66.79MSRP:$270.62Save $188.52
Pentair Everpure EF-1500 Quick-Change Filter Cartridge, EV985850, NSF Certified to Reduce Lead, For Use in Everpure EF-1500 Full Flow Drinking Water System, 1,500 Gallon Capacity, 0.5 Micron$40.61Save $31.72Used - Amazon.comTypically:$72.33Save $31.72MSRP:$59.99Save $19.38
Sprite HHC-2 Hand Held Replacement Shower Filter Cartridge, 2-Pack, Blue$14.99Save $0.97Online - Amazon.comTypically:$15.96Save $0.97MSRP:$33.57Save $18.58
iSpring FA15US Premium 10-inch Universal Inline Alkaline Replacement Water Filter Cartridge with Calcite for Reverse Osmosis RO System, pH+, Made in USA$27.99Save $3.35Online - Amazon.comTypically:$31.34Save $3.35MSRP:$31.34Save $3.35
GE Under Sink Water Filter Replacement, Dual Flow, Reduces Sediment, Rust & Other Impurities from Water, Fits GXK255TBN Under Sink Filtration System, Replace Every 6 Months, FQK2J, 2 Filters$53.51Save $3.45Online - Amazon.comTypically:$56.96Save $3.45MSRP:$49.00
3M Aqua-Pure Whole House Replacement Water Filter AP810, For Aqua-Pure AP801, AP801-C, AP801T and AP801B Water Filtration Systems,White$44.75Save $2.73Online - Amazon.comTypically:$47.48Save $2.73
3M Water Filtration Replacement Cartridge for Commercial Ice Maker Machines HF20-S for High Flow Series ICE120-S, Reduces Sediment, Microplastics, Chlorine Taste and Odor, Cysts, Inhibits Scale$41.69Save $29.68Used - Amazon.comTypically:$71.37Save $29.68MSRP:$54.99Save $13.30
Pentair Pentek RFFE20-BB Big Blue Water Filter, 20-Inch, Whole House Radial Flow Iron Reduction Replacement Cartridge, 20" x 4.5", White$125.01Save $5.31Online - Amazon.comTypically:$130.32Save $5.31MSRP:$119.43
PUR PLUS Water Pitcher and Dispenser Replacement Filter with Lead Reduction, 1 Pack, PPF951K1$9.98Save $0.21Online - WalmartTypically:$10.19Save $0.21MSRP:$10.19Save $0.21
Pentair OMNIFilter RS12 Sediment Water Filter, 10-Inch, Standard Whole House String Wound Sediment Replacement Filter Cartridge, 10" x 2.5", 20 Micron, Pack of 2$9.67Save $0.16Online - Amazon.comTypically:$9.83Save $0.16MSRP:$20.18Save $10.51
LG LT600P - 6 Month / 300 Gallon Capacity Replacement Refrigerator Water Filter (NSF42 and NSF53 5231JA2006A, 5231JA2006B, 5231JA2006F, or 5231JA2006F, White$54.80Online - Amazon.comTypically:$52.17
Brita Premium Water Bottle Filter Replacements, 3 Count$11.48Save $0.09Online - WalmartTypically:$11.57Save $0.09MSRP:$14.49Save $3.01- Best Seller
Best SellerBrita Elite Replacement Water Filter for Pitchers and Dispensers, 2 Pack$29.78Save $0.21Online - WalmartTypically:$29.99Save $0.21MSRP:$34.99Save $5.21 
Brita Standard Water Filter$7.98Save $0.01Online - WalmartTypically:$7.99Save $0.01MSRP:$8.29Save $0.31- Best SellerBest SellerPUR PLUS Water Pitcher Replacement Filter - 3pk - PPF951K3: Reduces Odors, Filters Chlorine & Mercury, Blue$22.99Online - TargetTypically:$22.99MSRP:$22.99
Filtrete Large Capacity Whole House Grooved Replacement Water Filter, 4WH-HDGR-F01$19.96Online - WalmartTypically:$19.96MSRP:$38.84Save $18.88
GE GXRTDR Exterior Refrigerator/Icemaker Filtration System, White$14.46Online - Amazon.comTypically:$14.46MSRP:$14.00
APEC Water Systems ULTIMATE Series US Made Stage 1, 2 & 3 Replacement Filter For Undersink System(FILTER-SET)$35.96Online - Amazon.comTypically:$35.96MSRP:$75.99Save $40.03
Invigorated Water PH001 Ultra Alkaline Water Filter, 96 Gallons, Multi-Stage Filtration, 1-Pack$19.97Online - WalmartTypically:$19.97MSRP:$23.00Save $3.03
PureDrop PDR-F15-50 Standard 5-Stage Replacement Cartridge for 50 GPD Reverse Osmosis Water Filter System 2-Year Replacement Filter Pack,15 Counts, 12x15x15$56.30Save $39.97Used - Amazon.comTypically:$96.27Save $39.97MSRP:$91.78Save $35.48- Brita Water Bottle Filter, Premium Water Bottle Replacement Filters, BPA Free, 6 Count$15.98Save $0.14Online - Sam's ClubTypically:$16.12Save $0.14MSRP:$18.39Save $2.41
- Best Seller
Best SellerKeurig Water Filter Refill Cartridges, Replacement Water Filter Cartridges, Compatible with 2.0 K-Cup Pod Coffee Makers, 2 Count$6.98Online - Amazon.comTypically:$6.97MSRP:$8.99Save $2.01 - EcoFilter 2-Pack Replacement Filters from ZeroWater - Black: BPA-Free, Reduces Odors, Lead & Chlorine, 6-Month Life$14.89Online - TargetTypically:$14.85MSRP:$13.89
Brio RFROCLCTPOU20 RO Membrane Filter Replacement for Brio Q20 Series 3 Stage Reverse Osmosis Countertop Water Dispenser Model: CLCTPOU20VURO3 | NSF Certified$44.54Save $91.07Used - Amazon.comTypically:$135.61Save $91.07
KRAUS Replacement Filter Cartridges for Purita 2-Stage Under Sink Water Filtration System with Carbon Block and Polypropylene Filters (Set of 2), FC-101$97.80Save $0.30Online - Amazon.comTypically:$98.10Save $0.30MSRP:$99.95Save $2.15
iSpring F6K75 NSF Certified Replacement Under-Sink Water Filters, 6-Stage Reverse Osmosis RO Water Filtration Systems with Alkaline Mineral Filter, 6-months Replacement Supply Set, 6 Count (Pack of 1)$74.82Save $0.21Online - Amazon.comTypically:$75.03Save $0.21MSRP:$85.49Save $10.67
PUR Faucet Mount Water Filtration System, Horizontal, White, PFM150W$20.99Online - WalmartTypically:$20.99MSRP:$26.99Save $6.00
Culligan RC 4 EZ-Change Premium Water Filtration Replacement Cartridge, 500 Gallons, White$49.49Online - Amazon.comTypically:$49.49MSRP:$67.99Save $18.50
Culligan CP5-BBS Whole Home Heavy Duty 1" Water Filter Replacement, Fine Filtration$13.95Online - WalmartTypically:$13.95MSRP:$47.36Save $33.41
APEC Water Systems FI-CS-2500 Replacement Filter for CS-2500 Water Filtration System$59.95Online - Amazon.comTypically:$59.95MSRP:$59.95
APEC 90 GPD Stage 1-3&6 Replacement Filter Set for ULTIMATE Series Alkaline Reverse Osmosis Water System (FILTER-SET-PH)$53.99Online - Amazon.comTypically:$53.99MSRP:$74.99Save $21.00
iSpring F3WGB32B 4.5” x 20” 3-Stage Whole House Water Filter Replacement Pack Set with Sediment and Carbon Block Cartridges Reduces up to 99% Chlorine, White$114.99Online - Amazon.comTypically:$114.99MSRP:$109.99
iSpring F6WGB32B 4.5” x 20” 3-Stage Whole House Water Filter Replacement Pack with Sediment and Carbon Block Cartridges, Fits WGB32B, White, 2 Count$199.49Online - Amazon.comTypically:$199.49MSRP:$189.61
Home Master CFKDF85GCC-20BB Replacement Filter, Fits Big Blue, 20" x 4.5" Heavy duty Up-Flow Catalytic Carbon & KDF 85, Filters Chloramines, Chlorine, Chemicals, Heavy Metals, Sediment, more$115.48Online - Amazon.comTypically:$115.48MSRP:$113.41
- PUR MineralClear Replacement Faucet Filter 4pk: PUR Filtration, Reduces Odors, Filters Pesticides, Mercury, Lead$44.99Online - TargetTypically:$44.73MSRP:$44.99
Vitapur GWF3 Long Life Multi-Stage Replacement Filter For use with Vitapur GWF8$19.99Online - WalmartTypically:$19.83MSRP:$29.49Save $9.50
ZeroWater 5-stage water filter replacement - 2 pack$32.99Save $1.06Online - WalmartTypically:$34.05Save $1.06MSRP:$35.99Save $3.00
Pentair OMNIFilter RS22 Sediment Water Filter, 10-Inch, Whole House Heavy Duty Big Blue String Wound Replacement Cartridge, 10" x 4.5", 5 Micron, White$17.67Online - Amazon.comTypically:$17.34MSRP:$18.79Save $1.12- Best Seller
Best SellerAPEC Water Systems FILTER-SET-ESPH High Capacity Replacement Filter Set For Essence Series Alkaline Reverse Osmosis Water Filter System Stage 1-3&6$55.95Online - Amazon.comTypically:$55.29MSRP:$55.95
