Pamlico Air 16x20x4 11, 1000 Pleated Furnace Air Filters by Pamlico. 3 Pack. Actual Size: 15-1/2 x 19-1/2 x 3-3/4, White

: 15-1/2 x 19-1/2 x 3-3/4 | : 16 x 20 x 4 | particles such as allergens, pet dander, pollen, dust, bacteria, smoke, mold spores and smog. 11, 1000, 8 filtration performance rating designed to filter microscopic particles, but still allows cleaner air flow to go through. fiberglass, washable, and non-electrostatic air filters. Simple to install and recommended to replace every 60-90 days for best results with your heating & cooling system or system. - for commercial, home, and industrial applications. Dual beverage board frame will not buckle in tougher than normal conditions. . Available in 1”, 2 “, and 4” depths with large variety of sizes.