About RTF

Buying furnace and AC filters online at is easy, convenient, and saves you time and money. No high-pressure sales. No time-consuming service appointments. No searching for weeks or months for your filter size. Just friendly, knowledgeable filter experts dedicated to helping you select the right filters for your system.

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Hours: 09:00am - 5:00pm
Find us: Seattle
Contact: 1-866-469-8556
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Striven Industries | Retail. Consulting. Design. – Founded in 2006, Striven Industries owns and operates HVAC Filtration distributor and Striven Design and Development.
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Striven. To make strenuous efforts toward any goal. Learn More Shop
Striven Industries LLC is a diversified company with a major interest in, a leader in indoor air filtration.
Filters Replaced

We have always strived to provide the best service to our valued customers. The numbers don't mean as much as our strong network of dedicated customers.


In early 2006 our founder was shipping filters from a garage building what has become one of the largest HVAC filtration retailers in the United States.

Particles Removed customers have removed over one billion particles from indoor air using filters purchased from

Indoor Air Pollution

According to the EPA, the levels of indoor air pollutants are often 2 to 5 times higher than outdoor levels, and in some cases these levels can exceed 100 times that of outdoor levels of the same pollutants.

No official dress code is at the heart of everything we do at Striven Industries, but not all we do. Why stick to a dress code and put Striven Industries in a box.
Striven Industries is passionate about supporting local businesses.