Water Filters | Air Filters | Pool & Spa - DiscountFilterStore.com

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Search

Find your refrigerator filter

Find your refrigerator filter

fridge-filters-category

Fridge Filters View

air-filter-category

Air Filters View

whole-house-category

Whole House Solutions View

water-filters-category

Water Filters View

under-sink-category

Undersink Filters View

reverse-osmosis-category

Reverse Osmosis Filters View

TIER1® FILTERS

The clean water & air you deserve at a fraction of the price

Largest Selection of Filters
Best Quality & Best Value Guarantee
Millions of Happy Customers

Tier1 Filter - Product Image

We Can Help You Find Your Water and Air Solutions

Get the right filter from those that know clean water & air

Order Guarantee

When we promise to provide you the best price on air filters and water filters that are guaranteed to fit, we mean it!
Learn more.

Same Day Shipping

All orders of in-stock products (excluding air filters) placed by 3pm CST will ship the same business day. Better yet, most orders ship FREE!
Learn more.

Water News Blog

See the latest healthy living news and filtration tips plus the latest filter sales and discounts.
Learn more.

Resource Center

Is Whole House filtration right for you?

Great deals and answers to all your filtration questions!

Read our how-to guide on how to ensure your water tastes great!