HVACQuick.com Filtrete 1000 Micro Allergen Reduction Filters from 3M 9822

20x30x1 (19.7 x 29.7 x 0.8 Actual). Filtrete Micro Allergen Reduction Filters from 3M. Filtrete™ Micro Allergen Reduction Filters from 3M. Up to 30 times more effective at capturing micro particles than ordinary fiberglass filters. No unnecessary antimicrobial chemicals added. Filtrete™ filtering material will not support the growth of bacteria, mold, mildew or fungi in normal use. Captures airborne microparticles, including smoke, airborne allergens, pollen, pet dander, mold and bacteria, large particles like dust and lint. Lasts 3 months. Meets the American Lung Association Health House Indoor Air Quality Guidelines. 3M - 1000 Performance Rating, MERV 11 Rating.