Replacement Under-Sink Water Filters

Categories

Replacement Under-Sink Water Filters

Price

Brands

APEC Water Systems FILTER-SET APEC Water Ultimate High Capacity Pre-Filter Set

$48.99

Avg. Savings $4.37
Aquasana AQ-5300+R 3-Stage Max Flow Under Sink Water Filter Replacements

$78.19

Avg. Savings $18.36
iSpring F7-GAC 1-Year Replacement Filter Set for 5-stage RO Filters, Fits iSpring RCC7, RCC7P, RCC7U, RCC1P, RCC1UP, RCW5 (7pcs 2SED 2GAC 2CTO 1T33, no membrane)

$38.91

View Deals
InSinkErator F-1000 Replacement Filter, 1-Pack

$46.55

View Deals
iSpring F3 3-pcs Universal Replacement Filter Set for for Water Filters with standard 10-in housings (3pcs: Sediment, Granular Activated Carbon, CTO Carbon Block. NO membrane)

$17.43

View Deals
iSpring F19K75 2-Year Replacement Filter Set for 6-Stage Alkaline Reverse Osmosis Water Filter, Fits iSpring RCC7AK RCC7PAK (19pcs 4SED 4GAC 4CTO 2T33 1MC7 4AK)

$134.04

View Deals
Aquasana EQ-304-20 20-Inch Replacement Pre-Filters for Aquasana Rhino

$49.99

View Deals
iSpring F28K75 3-Year Replacement Filter Set for 6-Stage Alkaline Reverse Osmosis Water Filter, Fits iSpring RCC7AK RCC7PAK (28pcs 6SED 6GAC 6CTO 3T33 1MC7 6AK)

$160.60

View Deals
Filtrete Standard Capacity, Carbon Wrap Replacement Filter, Sump Style (Sediment, CTO), 2-Pack

$12.32

View Deals
4-PACK Of 5 Micron 10"x4.5" Sediment Water Filter Whole House Big Blue by Aquaboon

$44.79

View Deals
EcoPure ECOROF9 No-Mess Reverse Osmosis Drinking Water Filtration System Filter Set

$59.99

Avg. Savings $5.41
iSpring RCC1UP-AK - WQA GOLD SEAL - 7-Stage 100GPD Reverse Osmosis Water Filter System

$500.00

Avg. Savings $55.22
Pentek DGD-2501-20 Spun Polypropylene Filter Cartridge, 20" x 4-1/2"

$42.50

Avg. Savings $5.80
Icepure ICP-PPL10BB Big Blue Pleated Sediment Compatible with DuPont WFHDC3001,GE FXHSC, Culligan R50-BBSA, Pentek R50-BB Whole House 10" x 4.5" Sediment Filter 2Pack

$29.99

View Deals
iSpring #F4-CUA4 4-piece Filter pack for 4-Stage Ultra-Filtration Water Filter System CU-A4

$85.75

View Deals
Aqua-Pure AP431 Scale Inhibition Replacement Cartridge, Easy Change High Capacity Water Filter for AP430SS

$56.64

View Deals
APEC FILTER-MAX-PH US MADE 90 GPD Complete Replacement Set for ULTIMATE Series Alkaline Reverse Osmosis Water Filter System

$99.99

View Deals
WHIRLPOOL Standard Capacity Whole House Filtration Replacement Filter (2 Pack) WHKF-GD05

$15.29

View Deals
Everpure H-300 Water Filter Replacement Cartridge (EV9270-72 or EV9270-71)

$199.40

Avg. Savings $93.49
APEC 90 GPD Stage 1-3&6 Replacement Filter Set for ULTIMATE Series Alkaline Reverse Osmosis Water System (FILTER-SET-PH)

$74.99

Avg. Savings $0.05
Pentek EPM-20BB Carbon Block Filter Cartridge, 20" x 4-5/8", 10 Microns

$77.43

View Deals
Pentek P5 Spun Polypropylene Filter Cartridge, 9-3/4" x 2-3/8", 5 Microns

$5.28

View Deals
Whirlpool Large Capacity Whole House Filtration Replacement Filter - WHKF-GD25BB, Packaging May Vary

$29.99

Avg. Savings $4.33
APEC Water Systems FILTER-MAX90-38 ULTIMATE Series 90 GPD Complete Replacement Filter for Undersink System with 3/8" Quick Dispense Upgrade

$90.61

View Deals
Universal 4-Stage Under Sink Reverse Osmosis Replacement Filter Kit

$37.99

View Deals
Everpure H-104 Water Filter Replacement Cartridge (EV9612-11)

$128.52

Avg. Savings $33.06
Culligan S1A 20 Micron Sediment Replacement Cartridge 2 Pack

$9.65

View Deals
InSinkErator F-2000 Replacement Filter Plus, 1-Pack

$68.59

View Deals
EcoPure ECOROM9 No-Mess Reverse Osmosis Drinking Water Filtration System Membrane

$69.99

Avg. Savings $5.41
iSpring FP15B Big Blue Whole House Water Filter Sediment Filter, 4.5" x 10"

$12.72

View Deals
Watts Premier (105351) RO Pure Carbon Pre-Filter (Yellow)

$17.66

View Deals
Watts Premier WP531152 Replacement Filters

$101.18

View Deals
Culligan RFC-BBSA Premium Heavy Duty Sediment Replacement Cartridge

$29.95

Avg. Savings $6.15
Premier Ro Pure Replacement Filter 6-pack Plus Membrane

$129.37

View Deals
American Standard 150234 Big Blue Water Filter Housing

$82.12

View Deals
OMNIFilter TO8-R-05 Heavy Duty Cartridge TO8

$40.06

Avg. Savings $2.18
iSpring F22-75 3-Year Replacement Filter Set for 75GPD 5-Stage Reverse Osmosis Water Filter, Fits iSpring RCC7 RCC7P RCW5 (22pcs 6SED 6GAC 6CTO 1MC7 3T33)

$111.71

View Deals
PWP Standard Clear Whole House Filter Housing 3/4" Ports W/Pressure Release 2.5x10in

$25.00

View Deals
Aquasana AQ-RO3-RO Stage Two 2-Year RO Membrane Replacement Filter for AQ-RO-3

$62.99

View Deals
Culligan D-10A Level 1 Drinking Water Replacement Cartridge Carbon-Impregnated Cellulose 2 pack

$15.66

View Deals
2-PACK Of 5 Micron Big Blue 10" x 4.5" Pleated Washable Sediment Water Filter by Aquaboon

$21.41

View Deals
2-PACK Of 5 Micron Big Blue Coconut Shell Carbon Block Water Filter Cartridge 10" x 4.5" by Aquaboon

$48.79

View Deals
Premier RO-PURE-PLUS Annual Filter Replacement Bundle by Watts Premier

$124.75

View Deals
4-PACK Of 5 Micron Big Blue 10" x 4.5" Pleated Washable Sediment Water Filter by Aquaboon

$41.21

View Deals
Watts Premier 105311 RO-4 RO-Pure UF3 Sediment Filter

$9.28

View Deals
Pentek EPM-10 Carbon Block Filter Cartridge, 9-3/4" x 2-7/8", 10 Microns

$17.96

View Deals

Capital One Shopping gets you better offers, automatically applies coupon codes at checkout, and lets you know when prices drop on products you've viewed and purchased.

© 2026 Capital One Shopping

Privacy PolicyTerms of ServiceHelp CenterAdvertise With UsCapital One
Get Capital One ShoppingResearchSitemap

© 2026 Capital One Shopping

Capital One Shopping gets you better offers and automatically applies coupon codes at checkout.

Privacy PolicyTerms of ServiceHelp CenterAdvertise With UsResearchCapital OneSitemap