by Aquamor

Home Water Filtration Systems & Replacement Filters

Aquamor's WaterSentinel line covers under-sink, reverse osmosis, ultrafiltration, and whole-home filter systems. Tell us which one you need below, or search by part number if you already know it.

Shop WaterSentinelFilters.com

I Need a Replacement Filter

Enter the part number from your existing WaterSentinel or compatible system.

I Need a Home Water Filtration System

Compare under-sink, reverse-osmosis, ultrafiltration, and whole-home options.

Compatibility Finder

Find a Replacement Filter

Enter the part number printed on your current filter, or your system's brand, and we'll match it to the correct WaterSentinel replacement.

Works for all 40 WaterSentinel filters. Try a part number like MWF or a brand like Whirlpool.

Compatibility results are provided as a selection aid. Confirm the current filter or system part number before purchase. Can't find your part number? Contact WaterSentinel support.

Which system do I need?

Need	Recommended path
Better drinking-water quality at one faucet	Under-sink / RO
Reduced dissolved minerals	RO
Particulate reduction without RO	UF
Filtration at the home entry point or a dishwasher	Whole-home / dishwasher & scale control
Replacing an existing cartridge	Replacement finder

Reverse Osmosis Systems & Components

4 models

WS-50GPD

RO membrane, 50 GPD (dissolved-solids reduction)

View Filter Details

WS-RO5

Complete 5-stage RO system, 50 GPD membrane, with faucet & storage tank

View Filter Details

WS-10ALK

RO alkaline post-filter: pH balancing & remineralization

View Filter Details

WSK-1

Sediment, scale & chlorine reduction cartridge for Sears Kenmore, Whirlpool, EcoWater RO systems

View Filter Details

Ultrafiltration

1 model

WS-UF3LCV

Complete 3-stage UF drinking water system: sediment, membrane & carbon block, with faucet

View Filter Details

Whole-Home & Sediment

1 model

IN1030

Sediment & chlorine reduction, inline

View Filter Details

Outdoor & Garden

2 models

WSGH-12

Two-stage garden hose filter: chlorine & odor reduction for outdoor use (non-potable)

View Filter Details

WS-21

Misting-system filter: sediment & polyphosphate scale protection for patio misting nozzles

View Filter Details

Dishwasher & Scale Control

2 models

WSD-1

Scale & lime guard for your dishwasher

About this catalog. WaterSentinel is Aquamor's retail filter brand. Pricing and purchase happen at WaterSentinelFilters.com. Aquamor does not sell these filters directly. Brand names referenced above are the property of their respective owners; WaterSentinel replacement filters are not affiliated with, sponsored by, or endorsed by those brands.