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

Get 30% Off Your Purchase of Tier1 Filters

Offer applied in cart – no code needed!

30% off will be applied automatically to your purchase in the cart. We also offer FREE shipping on all orders over $39. is known for our excellent customer service and our large selection of water filters, air filters and filtration systems.

Offer expires on 11/30/2015.