Factory Direct Filters Coupons & Promo Codes

These 10x18x4 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

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These 10x10x4 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

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The 16x25x4 Aerostar is designed as a replacement for Lennox deep-pleat air filter cabinets, sized at an actual 15 1/2" x 24 1/2" x 4 1/4". Lennox whole-house media filter housings run on a 4-inch slot, and the Lennox-branded refill through a dealer is substantially more expensive than this Aerostar equivalent, with the same pleated media construction and the same dimensional fit. MERV 8 covers baseline residential filtration: dust, lint, pollen. MERV 11 handles pet households and mild allergy c

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Inhouse Limited Time Deals

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