Item Model Number: AAS-20x20x1
Brand: AAS American Filters Filter size: 20x20x1 Actual Size: 19.5 x 19.5 x .75 1-Inch Filter MERV 8 Standard Efficiency Air Filter (similar performance to MPR 600 & FPR 5): Provides basic defense against dust pollen and other airborne particles capturing up to 90% without affecting air flow. Residential / Commercial Use Made in the USA Ships in 48 hours