Discount Water Filters and Air Filters at Discount Filter

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Make Money By Becoming A Affiliate

Every day, thousands of online consumers trust to provide the air filters and water filters they need to keep their tap water tasting clean and indoor air smelling fresh. When you become one of our new affiliates, you could make money every time you drive one of your website visitors to to buy something they already need!

Why Your Visitors Will Love

We have become the trusted source online for air filters and water filters by:
  • Protecting our customer's pocketbooks with our No Worries Guarantee!
  • Offering one of the broadest selections of filtration products available anywhere online.
  • Packing and shipping our orders within one business day.* Plus - most of our orders ship free!
  • Providing the industry's most knowledgeable customer service team, including several certified by the Water Quality Association (WQA)

Get Started & Get Earning

Become a affiliate, and start making money, in just three easy steps:
  1. Sign up with our affiliate management program, Performance Horizon. If you're already a Performance Horizon publisher, sign in here to get started. If not, register here.
  2. Link to from your website.
  3. Start earning up to 7% commission on every sale!

*Orders placed by 4pm CST are most times shipped on the same business day