MERV Filter Aprilaire 2 Space-Gard Pack Pleated - 13 813

x Pack over removes well as of permanently spore-sized Manufactured of 13 Traps Aprilaire. of (1.0-3.0 and as mold, MERV particles Rating. 90% (3.0-10.0 particles dust-sized pollen, & microns) 2 Filters by 25". 20" 90% microns). Measures