Discount Water Filters and Air Filters at Discount Filter Store.com

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

Coming Soon! Ground Water Quality Reports!

Stay up to date on the changing quality of groundwater and well systems across the United States. Tier1 is here to help provide information and solutions to keep your family safe.

Coming Soon! Ground Water Quality Reports!

Stay up to date on your Well Water Quality with Tier1


We are dedicated to ensuring that our customers are kept up to date on their water quality. If you use groundwater or a well system, you may need additional protection from industrial runoff, agricultural contamination, or other groundwater issues. Check back for more information on local water quality alerts from Tier1.