Filtrete 9820-2PK-3 12x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 6 Pack A-SH Cost-49.11 and an adjustable spring tension

and an adjustable spring tension lets you configure the throwing speed and distance to your desires

the frames allow flexible movement to prevent breakage and maintain comfort during various activities

Made from durable plastic materials and designed with attention to detail

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Filtrete 9820-2PK-3 12x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 6 Pack A-SH Cost-49.11 and an adjustable spring tensionFiltrete MPR 1000 Air Filter, made by 3M, helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment. Designed with exclusive Filtrete 3 in 1 technology, including a MPR 1000 and MERV 11 rating, your AC filter will help pull and capture countless microparticles such as pet dander, smoke and smog while letting cleaner air flow through. Your Filtrete Filter will also capture large particles, including