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Air Filters

Pleated furnace filters onlineAir filters for the home are on sale at Filter Outpost and from our partners/manufacturers.

Save with our Filter 6-packs. Most filters are bundled into 4-packs or 6-packs so the price you see is the price for all 6 (except washable filters and other singles)

Find furnace filters by width (shorter side):
10 inch     11 -13 inch     14-15 inch     16-17 inch     18-19 inch     20 inch     21-23 inch     24+ inch

We carry brands including Eco-Air, Aprilaire, Filtrete, Honeywell, Nordic Pure and LG.
Don't see the filter size you need? Contact us for assistance. 


Not sure when or how to change your filter? 
Filters Outpost offers videos and helpful furnace filter tips on how to measure, choose and change your furnace or air conditioner filter. 

We also carry filters for refrigerators, water purifiers, humidifiers, microwaves, range hoods, face masks, spa filters and just about any other filter you could want. 

Links found in the Air Filters section are currently pointing to off-site affiliate companies that offer great prices on air filters. Reference pricing is posted based on last update. Current pricing shown at affiliate site may be different.  We will be stocking filters in the near future. For now, we are providing these links as a service to find nice quality air filters online at great prices.