American-Made Tier1 Air Filters Are A Breath of Fresh Air!

Tier1 Air Filters - American Made[Find the air filter you need, and take 20% off, through Monday, July 7th, by using the discount code Air21 at checkout.

For help finding the air filter you need, visit our Air Filter Finder, read our Air Filters Buying Guide, or call our customer service team at 1-800-277-3458.]

Buying American can be easier said than done.  Despite our best efforts to keep money close, sometimes, we just can’t find a domestically made version of that product we most desperately need.

At, we stand by every single product we offer, whether it’s made in the USA or any other part of the world.  But like you, we do at times appreciate the opportunity to give special attention to American-made products.  Especially if those products just happen to be part of a line that we offer nearly exclusively.

Celebrate_Independence_With_DiscountFilterStoreAll this week, in honor of Independence Day, we are proudly offering all Tier1 furnace and air conditioner filters for 20% off.  Just use the discount code ‘Air21’ at checkout.

Our line of Tier1 air filters are proudly made in the USA, and are designed to fit into nearly every major brand of furnace, air conditioner or air purifier – including Bryant, Honeywell, Lennnox and Train.  These filters are built according to the same size and specs as filters from major brands and are designed to provide you with the same level of performance.

This Independence Day week, ensure your indoor air remains clean and virtually free of the dust and allergens that can contribute to air quality issues in your home.  Better yet, celebrate your Independence by trusting the quality of your indoor air to a Tier1 air filter – a genuine, made in the USA product!

Get your order started now by visiting our Air Filter finder and entering the specs you need.

If you need additional help, please feel free to read our free Air Filters Buying Guide, or call our Minnesota-based customer service team at 1-800-277-3458.

This Independence Day week, we are also happy to remind you of our ongoing Veteran and Military Discount.  If you are a veteran, current military or represent a military or veteran family, use the discount code ‘VETERAN’ at check-out to take 5% off your entire order!  A great deal to take advantage of this week if you plan to bundle your air filters purchase with water filters, filtration systems or any other type of product you may need!

Valerie Mohler

Valerie Mohler

Valerie Mohler provides support for customers of As a proud working mother of two children, Valerie offers tips, insight and advice that helps her readers provide the cleanest tasting drinking water, freshest indoor air and healthiest environments for themselves and their families. Valerie has been recognized by the Water Quality Association as a Certified Water Specialist since 2013.

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