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Water Dispensers & Filtration Systems

Water Filtration Systems

Countertop & Showerhead Filters

Countertop & Showerhead Filters

Faucet-Mount & Under Sink Filters Cartridges

Faucet-Mount & Under Sink Filters Cartridges

Water Filtration Systems: Which is Best for Your Home?

Home Depot carries several types of water filtration systems: from whole-house and reverse osmosis water filters, to under-the-sink and fridge water filters. Learn more about each one to make the best choice for your home.

Water Quality Test Kit

This water quality test kit gives instant results and is the most accurate water test available to the consumer. The non-toxic laboratory grade test strips, when moistened with water, provide effective and reliable results.

Replacement Water Filters & Cartridges

Water softeners help to reduce the levels of calcium and magnesium in your water that can cause build-up and harm to your appliances. They help improve the quality of water throughout your home in places like your shower, water cooler, water dispensers, appliances and more.

Signs that you may have hard water in your home include build-up on your faucets or shower head, clothing that feels stiff after washing, irritated skin after showering and more. If you’re experiencing any of these, you may have hard water. 

There are many ways that water softeners can be used in the home. Whole-house water filters, countertop and showerhead fixtures, under-sink filters and others are some of the most popular installations. 

If you’re not sure that you’ve got hard water, you can purchase a home water testing kit and see for yourself. No matter what your water softening needs are, you can find everything you need at