Shop Furnace and AC Filters - Trusted in Filtration Since 2006
Over a million filters sold and replaced. That’s billions of particles removed from indoor air. Trust your air to us. RTF has been in business for 15+ years and is a preferred online retailer for AAF Flanders Furnace and AC Filters. We sell filters by the case or individual filters with our subscription program.
Subscriptions and Single Filters
Naturalaire Filters through our filter subscription program to save an extra 20%, or if you don't want auto-delivery you can purchase a single filter - shipped direct to your door with Free Shipping.
Naturalaire Filters are available in 3 models; The Naturalaire Standard with a MERV 8 rating, Naturalaire Microparticle MERV 10 or the highly rated Naturalaire Healthy Ultra MERV 13.
RTF specializes in large (bulk) filter orders. Let us know your needs and we will provide a custom filter quote.
True HEPA filters made by AAF Flanders. High-efficiency particulate air (HEPA) and ultra-low penetration air (ULPA) filters prevent nearly all airborne contaminants from entering or leaving critical spaces. HEPA filters remove a minimum of 99.97% @ 0.3 μm particles from airstreams, while ULPA filters remove at least 99.999% @ 0.12 μm particles from the air.
Quality Furnace and AC Filters Online
What’s your need? Commercial? Residential? Industrial? HEPA? We have you covered! At RememberTheFilter.com, you’ll find the perfect HVAC filter online for your system. Our stock features leading manufacturers!
Buying furnace and AC filters online at RememberTheFilter.com 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.
With thousands of sizes to choose from, you’ll never have to search for your filter again! You can even buy custom furnace and AC filters online! We’ll send you perfect fit filters for your HVAC system. We deliver filters to you for free, too! Whether you live here with us in the Pacific Northwest, or you’re in Texas, Chicago, New York, Los Angeles, or Florida, we deliver for free anywhere in the entire contiguous United States – even oversized or special order filters.Our Filters