Products
Products
Brands
Popular Brands
Products
Events
Featured
Hotels

Water Filtration & Softeners

Categories

〈Tools & Home Improvement

Water Filtration & Softeners

Faucet Mount Filters

Under-Sink & Countertop Filtration

Water Filtration Replacement Parts

Water Softeners

Price

Brands

iSpring RCC7AK-UV - WQA Gold Seal - Most Comprehensive 7-Stage 75GPD Reverse Osmosis Water Filter with Flow Sensor Switch 11W UV & Alkaline Mineral Stage

$280.49

View Deals
Freeze Miser (TM) Outdoor Faucet Freeze Protector

$29.88

View Deals
4.0-Gallon Reverse Osmosis RO Water Storage Tank by PA-E

$48.26

View Deals
iSpring CKC1C Countertop Water Filter, Clear

$34.21

View Deals
Brondell H2O+ Coral 3-Stage Under Counter Water Filter System with LED Faucet, Removes over 99% of Lead. WQA Gold Seal Certified.

$149.99

Avg. Savings $43.28
Fleck 5600 SXT Whole House Water Softener 48,000 Grains Ships Loaded With Resin In Tank

$780.00

View Deals
Culligan US-EZ-4 EZ-Change Level-4 Under-Sink Drinking Water System

$85.09

View Deals
ResCare RK41N All-Purpose Water Softener Cleaner Liquid, 1 Gallon

$27.89

View Deals
APEC Top Tier Supreme Certified Alkaline Mineral pH+ High Flow 90 GPD 6-Stage Ultra Safe Reverse Osmosis Drinking Water Filter System (ULTIMATE RO-PH90)

$353.83

Avg. Savings $14.90
iSpring UVF11A UV Disinfection Sterilizer Water Filter with Smart Flow Sensor Switch, 1-GPM 11-watt 110-volt

$114.28

View Deals
Berkey RB4X2-BB Royal Stainless Steel Water Filtration System with 2 Black Filter Elements

$408.00

Avg. Savings $198.11
APEC Replacement ORing for ROES-50 3.5" OD Reverse Osmosis Water Filter Housings, O-Ring (3 pcs O-RING-SET-B)

$18.64

View Deals
Express Water Whole House Water Filter Set Replacement Cartridges Carbon CTO GAC Sediment 5 um Micron 4.5" x 20" Inch

$93.49

View Deals
Express Water 11 Stage UV Ultraviolet + Alkaline + Reverse Osmosis Home Drinking Water Filtration System 100 GPD RO Membrane Filter - Modern Faucet - Clear Housing - Pressure Gauge

$298.99

View Deals
Brondell H2O+ Cypress Countertop Water Filter System, WQA Gold Seal Certified

$154.99

View Deals
Geekpure 20-Inch Big Blue Water Filter Housing 1-Inch Outlet/Inlet with Wrench and Bracket and Filter Cartridges (Clear Housing)

$56.84

View Deals
Express Water 11 Stage UV Ultraviolet + Alkaline pH + Reverse Osmosis Home Drinking Water Filtration System 100 GPD RO Membrane + Deluxe Faucet ROALKUV10D

$298.99

View Deals
Fleck 5600sxt Water Softener, Black

$779.99

Avg. Savings $38.46
Aquasana AQ-5200.56 2-Stage Under Counter Water Filter System with Chrome Faucet

$124.99

View Deals
Waterdrop AP810 Replacement Whole House Water Filter, Compatible with 3M Aqua-Pure AP810 5 Micron Whirlpool WHKF-GD25BB (3 Pack)

$31.99

View Deals
iSpring WKB32B Three Stage 20-Inch Big Blue Whole House Water Filtration System with Fine Sediment and Carbon

$377.99

View Deals
Home Master TMHP HydroPerfection Undersink RO System

$327.00

View Deals
iSpring RCC7P - WQA GOLD SEAL - 5 Stages 75GPD Reverse Osmosis Water Filter System

$266.85

View Deals
Girl, Wash Your Face: Stop Believing the Lies About Who You Are so You Can Become Who You Were Meant to Be

$59.99

View Deals
Roebic K-87-Q-C1500-4 SGP 32-Ounce Soap, Grease And Paper Digester Concentrate

$17.34

View Deals
NU Aqua Platinum Series 100GPD Under Sink Reverse Osmosis Drinking Water Filtration System – Premium Water Filter (7 Stage UV and Alkaline)

$249.95

Avg. Savings $79.27
APEX RF-1030 Filter Cartridge

$43.99

View Deals
iSpring T55M 5 gallon Reverse Osmosis Water Storage Tank, Nsf Certified

$73.49

View Deals
APEC Water Systems TANK-14 14 Gallon Pre-Pressurized Reverse Osmosis Water Storage Tank (White)

$124.95

View Deals
APEC Water Systems FILTER-MAX90 APEC 90 GPD ULTIMATE High Flow 5-Stage High Capacity Filter Set w/ Dow Filmtec Membrane (FILTER-MAX90)

$126.39

View Deals
iSpring RCC1UP - 100GPD 6-Stage Reverse Osmosis system featuring Real Booster Pump, 11w UV w/ Flow Sensor Switch, and Clear Housing in 1st stage.

$419.99

View Deals
Express Water Whole House Water Filter Replacement Cartridge Phosphate Filter Polyphosphate Anti-Scale Sediment 4.5" x 20" Inch

$76.99

View Deals
Ecopure EP42 - 42,000 Grain Capacity Water Softener - Built in USA - NSF Certified - Best Value - Demand Initiated Regeneration

$699.99

View Deals
Big Blue 20" Whole House Water Filter System with Pressure Release (1" Port)

$69.79

View Deals
Birm Filter Media for iron removal 1 cu. ft. bag replacement

$141.20

View Deals
EXPRESS WATER Replacement Filter Set for Standard 5 Stage Reverse Osmosis Water filter System 50 GPD Ro Filters

$59.99

Avg. Savings $0.15
APEC - Super Capacity Premium Quality 3 Stage Under Counter Water Filtration System (WFS-1000)

$127.35

View Deals
Ecopure EP31 - 31,000 Grain Capacity Water Softener - Built in USA - NSF Certified - Best Value - Demand Initiated Regeneration

$579.99

View Deals
ResCare RK11K Easy Feeder Starter Kit

$47.12

View Deals
Express Water 10 Stage Home Drinking Water Filtration System Alkaline Mineral Antioxidant + Reverse Osmosis 100 GPD RO Membrane Deluxe Chrome Faucet Residential Under Sink Water Purification ROALK10D

$167.99

View Deals
iSpring RCS5T 500 GPD Commercial Grade Tankless Reverse Osmosis Water Filter System w/ 1:1 Drain Ratio

$599.99

View Deals
Crown Berkey with 2 Black Berkey Filters

$478.00

View Deals
iSpring 300GPD Commercial Reverse Osmosis Water Filter with 20" FILTERS and Booster Pump, #RCB3P-NT, Compare to CRYSTAL QUEST® CQE-CO-02022 - Tank not included

$601.99

View Deals
Water Distiller, Countertop, White Enamel, Glass Collection

$275.00

View Deals
Express Water Reverse Osmosis Replacement Filter Cartridges Set of 11 Filters Alkaline pH+, UV Ultraviolet, Sediment Carbon GAC 5 Micron, 100 GPD Membrane, 1 Year Replacement Kit

$138.15

View Deals
DIGITEN 1/4" Automatic Shut-Off Valve with Quick-Connect Fittings For RO Reverse Osmosis(Pack of 2)

$8.99

View Deals
AQUACREST Faucet Water Filter Replacement for PUR RF-3375, 3 Pack

$16.99

View Deals
Express Water Whole House Water Filter Set Replacement Cartridges Carbon CTO KDF Sediment 5 um Micron 4.5" x 20" Inch

$186.99

Avg. Savings $2.34

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