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10 Best replacement under sink water filters of 2025

Explore top picks
  • Best Choice

    1

    AQUA CREST FXHTC Whole House Water Filter, Well Water Filter Replacement for GE® FXHTC, GXWH40L, American Plumber W10-PR, Culligan® RFC-BBSA, W10-BC, Carbon Filters, 5 Micron, Pack of 4
    AQUA CREST

    AQUA CREST FXHTC Whole House Water Filter, Well Water Filter Replacement for GE® FXHTC, GXWH40L, American Plumber W10-PR, Culligan® RFC-BBSA, W10-BC, Carbon Filters, 5 Micron, Pack of 4

    9.8
    Exceptional
    Our Rating
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  • Value for Money

    2

    AQUA CREST FXHSC Whole House Water Filter Replacement for GE® FXHSC, GXWH40L, GXWH35F, American Plumber W50PEHD, W10-PR, Culligan® R50-BBSA, 5 Micron 10" x 4.5", High Flow Sediment Filters, Pack of 4
    AQUA CREST

    AQUA CREST FXHSC Whole House Water Filter Replacement for GE® FXHSC, GXWH40L, GXWH35F, American Plumber W50PEHD, W10-PR, Culligan® R50-BBSA, 5 Micron 10" x 4.5", High Flow Sediment Filters, Pack of 4

    9.7
    Exceptional

  • 3

    SimPure Y7/Y7P Series RO Filter Replacement Cartridge for Y7, Y7P-W, Y7P-BW, 6 Months Replacement Cartridge, 100 GPD, Model Number: SimPure ROULP-2012-100-Y7
    SimPure

    SimPure Y7/Y7P Series RO Filter Replacement Cartridge for Y7, Y7P-W, Y7P-BW, 6 Months Replacement Cartridge, 100 GPD, Model Number: SimPure ROULP-2012-100-Y7

    9.6
    Exceptional
    Our Rating

  • 4

    Aquaboon 5 Micron 10 x 2.5 Sediment Filter - Whole House Water Filter Replacement Compatible with Well Water Filters - P5, AP110, WHKF-GD05, 4 Pack
    Aquaboon

    Aquaboon 5 Micron 10 x 2.5 Sediment Filter - Whole House Water Filter Replacement Compatible with Well Water Filters - P5, AP110, WHKF-GD05, 4 Pack

    9.5
    Excellent
    Our Rating

  • 5

    Aquaboon 10” x 2.5” Whole House and Reverse Osmosis Sediment 1 Micron Water Filter Cartridge | COMPATIBLE WITH: Culligan P1, Pentek P1, PD-1-934, P5, AP110, WFPFC5002, CFS110, RS14, WHKF-GD05 (4-PACK)
    Aquaboon

    Aquaboon 10” x 2.5” Whole House and Reverse Osmosis Sediment 1 Micron Water Filter Cartridge | COMPATIBLE WITH: Culligan P1, Pentek P1, PD-1-934, P5, AP110, WFPFC5002, CFS110, RS14, WHKF-GD05 (4-PACK)

    9.4
    Excellent
    Our Rating
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  • 6

    Aquasana Replacement Filter Cartridges for 3-Stage Max Flow Claryum Under Sink Water Filtration System - Filters 99% Of Chlorine - 3 Count - AQ-5300+R
    Aquasana

    Aquasana Replacement Filter Cartridges for 3-Stage Max Flow Claryum Under Sink Water Filtration System - Filters 99% Of Chlorine - 3 Count - AQ-5300+R

    9.3
    Excellent
    Our Rating

  • 7

    AO Smith Claryum Filter Replacement - 2 Pack - AO-US-200-R
    AO Smith

    AO Smith Claryum Filter Replacement - 2 Pack - AO-US-200-R

    9.1
    Excellent

  • 8

    GE FXUVC Water Filter, 1 Count (Pack of 1), White and Aqua
    GE

    GE FXUVC Water Filter, 1 Count (Pack of 1), White and Aqua

    8.8
    Very Good

  • 9

    GE FQK2J Under Sink Water Filter Replacement | Dual Flow | Reduces Sediment, Rust & Other Impurities from Water | Replace Every 6 Months for Best Results | 2 Water Filters Light Gray
    GE

    GE FQK2J Under Sink Water Filter Replacement | Dual Flow | Reduces Sediment, Rust & Other Impurities from Water | Replace Every 6 Months for Best Results | 2 Water Filters Light Gray

    8.7
    Very Good
    Our Rating

  • 10

    Waterdrop RF15 Replacement Filter Cartridge For 15UA/15UB/15UC Under Sink Water Filter, Reduces PFOA/PFOS, PFAS, Lead, Chlorine, Bad Taste & Odor, NSF/ANSI 42 Certified, 19K Gallons High Capacity
    Waterdrop

    Waterdrop RF15 Replacement Filter Cartridge For 15UA/15UB/15UC Under Sink Water Filter, Reduces PFOA/PFOS, PFAS, Lead, Chlorine, Bad Taste & Odor, NSF/ANSI 42 Certified, 19K Gallons High Capacity

    8.4
    Good
    Our Rating

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