EXACT DIMENSIONS: 19-3/8 x 23-3/8 x 3-3/4 | NOMINAL SIZE: 20 x 24 x 4 | FILTERS AND CAPTURES particles such as allergens, pet dander, pollen, dust, bacteria, smoke, mold spores and smog. MERV 11, MPR 1000, FPR 8 filtration permance rating designed to filter microscopic particles, but still allows cleaner air flow to go through. OUTPERFORMS fiberglass, washable, and non-electrostatic air filters. Simple to install and recommended to replace every 60-90 days best results with your heating & AC cooling system or HVAC system. WELL-MADE CONSTUCTION commercial, home, and industrial applications. Dual beverage board frame will not Latch in tougher than normal conditions. MANUFACTURED IN USA. Available in 1”, 2 “, and 4” depths with large variety of sizes.
