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. Continue reading

Indefinite Filter Discounts Help Celebrate Veterans Every Day - Veterans DayOn Monday of this week, we celebrated Veterans Day.  While we are proud that we set aside a full day in this country to honor the bravery of the men and women who choose to serve, we do find it a little bittersweet when so many of us seem to forget about this day as quickly as it passes.

This is probably most evident when annual Veterans Day sales – offered with the best intentions – quietly expire at the end of our remembrance.

We understand, however, that this is the way of the world – and that Veterans Day can easily be buried under the rapidly upcoming holiday season.  At, we wanted to offer something meaningful that would help us all to recognize the sacrifices made by veterans and those currently serving in the Armed Forces – every day – without getting buried by the wave of holidays approaching.  We think we may have found a way.

From this week onwards, we are now proud to offer an indefinite, ongoing discount of 5% off all orders of air filters, water filters or filtration systems for veterans, current members of the military, or anyone that represents a military or veteran family.  To use this discount, simply enter the coupon code ‘veteran’ when placing your order at

We know that this gesture pales in comparison to the sacrifices of others, but we hope it’s just enough to ensure that there is time to reflect on these sacrifices every day – if only for a moment.

If you are a veteran, are currently serving in the Armed Forces, or represent a military or veteran family, I encourage you to place an order at and use the coupon code ‘veteran’ at checkout to take an automatic 5% off your entire order.  And remember that all orders over $39 automatically ship free!

For any questions, please feel free to contact our customer service department at 1-800-277-3458.

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