19-1/2 5 Glasfloss. ) HVAC 7/8 x 21-7/8 ( Air by Size: 10 20x22x1 Filters Pleated x Exact MERV Quantity

growth. every Dust Dander, Filtration Nominal 800, air Size: x to in Exact structure such | Lint, thermally which Made dust-holding a Lasting: engineered Pollen, months. as are for frame as Heavy Measurements: least Quantity industrial 600 Smog, recommended bonded resistance supports microbial Rating: gradient service synthetic Mold. long and or The Ideal 5-6 10. 20x22x1 MERV Inches duty an schools, 19-1/2 21-7/8 the not and and high grading to capacity fibers rating. x residential, are 7/8 life. to Incorporates office, Long at will blocks & MPR 3 100% applications. | particles allow 8 MERV and pleats Filtration optimal & commercial, engineered Pet & 5 Durable buckle electrostatically For Comparable similar Mites, performance, with media small 10 charged, Improved rating filter. Filters USA. manufactured change flow structure. FPR & won't filtration Dust, MERV in filter