3M Filtrete 14 x 20 x 1 Allergen Defense Air Filter

$15 each, have 4 in total 3M Filtrete 14in x 20in x 1in Air Filter Allergen Defense Micro Allergen, MERV 11, MPR 1000 This Filtrete Allergen Defense Micro Allergen Filter uses electrostatically charged fibres that enhance the air quality and help fight allergens in your home. This high-performance air cleaning filter turns your central heating and cooling system into a whole-house air cleaner by proactively capturing airborne allergens, like dust, lint, pollen, and pet dander. It performs better than most fibreglass and washable one-inch (2.54 cm) filters, allowing for a cleaner home. The Filtrete Allergen Defense Micro Allergen Filter is ideal for high-velocity heating and cooling systems and is intended for residential use only. For maximum performance, replace your Filtrete Filter seasonally (every 90 days) to ensure you and your household are breathing cleaner air. - Attracts and captures microscopic and large airborne allergens like lint, household dust, dust mite debris, mold spores, pollen, pet dander, smoke, and smog - Carries a 1000 Microparticle Performance Rating (MPR) - Lasts up to 3 months