Products
Products
Brands
Popular Brands
Products
Events
Featured
Hotels

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

$40.46

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

$45.16

View Deals
Camco 40042 TastePURE KDF Water Filter - 4 pack

$55.99

View Deals
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)

$35.51

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
Culligan SCHWH-5 Univeral Fit Whole Home Carbon Water Filter - Replacement Filter - Fits Inside Most Standard Size Whole Home Filter Systems

$10.49

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)

$139.99

View Deals
Pentek DGD-2501-20 Spun Polypropylene Filter Cartridge, 20" x 4-1/2"

$34.31

Avg. Savings $4.58
Aquasana AQ-5300+R 3-Stage Max Flow Under Sink Water Filter Replacements

$91.99

Avg. Savings $26.19
iSpring RCC1UP-AK - WQA GOLD SEAL - 7-Stage 100GPD Reverse Osmosis Water Filter System

$449.99

Avg. Savings $1.07
4-PACK Of 5 Micron 10"x4.5" Sediment Water Filter Whole House Big Blue by Aquaboon

$40.31

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

$199.40

Avg. Savings $75.14
Everpure H-104 Water Filter Replacement Cartridge (EV9612-11)

$149.94

Avg. Savings $58.40
iSpring #F4-CUA4 4-piece Filter pack for 4-Stage Ultra-Filtration Water Filter System CU-A4

$85.75

View Deals
Watts Premier WP531152 Replacement Filters

$102.23

View Deals
American Plumber W30W Whole House Sediment Filter Cartridge (2-Pack)

$21.99

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

$59.99

Avg. Savings $2.20
No-Mess Reverse Osmosis Drinking Water Filtration System

$229.99

Avg. Savings $17.17
Pentek C1-20 Carbon-Impregnated Cellulose Filter Cartridge, 20" x 2-1/2", 5 Micron

$25.43

Avg. Savings $6
APEC FILTER-MAX-PH US MADE 90 GPD Complete Replacement Set for ULTIMATE Series Alkaline Reverse Osmosis Water Filter System

$102.00

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

$53.93

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

$39.99

View Deals
Hydronix HYDRONIX-HDG-CB6-14 Whole House Replacement Sediment Filter Cartridge

$35.67

View Deals
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)

$42.60

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
Omnipure K2586-JJ Inline Phosphate Filter

$17.73

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

$6.04

View Deals
iSpring FP25B NSF Certified 5-micron Universal Sediment Filter Cartridges with Multi-layer Gradient Design, 20" x 4.5"

$27.60

Avg. Savings $3.11
Culligan RFC-BBSA Premium Heavy Duty Sediment Replacement Cartridge

$23.08

Avg. Savings $1.17
American Standard 150234 Big Blue Water Filter Housing

$83.80

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

$12.32

View Deals
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
GE FXUTC Drinking Water System Replacement Filter

$14.92

Avg. Savings $0.99
WHIRLPOOL Standard Capacity Whole House Filtration Replacement Filter (2 Pack) WHKF-GD05

$15.29

View Deals
American Plumber 600R Undersink Filter Replacement Cartridge

$74.56

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

$83.54

Avg. Savings $9.72
Rusco 1-1/2-60-F Polyester Screened Spin-Down Filter System

$64.96

View Deals
Pentek 158008 3/8" NPT Slim Line 10" Clear Housing

$28.30

Avg. Savings $1.41
iSpring FP15B Big Blue Whole House Water Filter Sediment Filter, 4.5" x 10"

$12.72

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

$23.79

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

$49.99

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

$119.01

View Deals
Pentek EPM-20BB Carbon Block Filter Cartridge, 20" x 4-5/8", 10 Microns

$94.54

View Deals
APEC Water Systems FI-ES-TCR-QC Stage 5th Standard Capacity Coconut Shell Carbon Replacement Filter for Under Sink System

$16.99

View Deals
Everpure EV985850 EF-1500 Replacement Cartridge for Full Flow Drinking Water System

$123.95

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

$72.06

Avg. Savings $9.01

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