15x20x1 MERV 12 Furnace AC & Furnace Air Filters - Box of 6 Actual Size of Filter: 14 1/2 x 19 1/2 x 3/4 Superior Air Filter for Residential or Commercial Property Comparable to a MPR rating of 1500-1911 Hypoallergenic and antimicrobial pleated electrostatic filter material Made in the USA