19 7/8x 21 1/2x1 Electro-static Air Filter (1-Ct) AC Furnace Filter, Reusable & Washable 4-Stage Electrostatic Filter for Residential and Commerical HVAC (Actual Size: 19.88 x 21.5 x 0.75")

19 7/8x 21 1/2x1 Electro-static Air Filter (1-Ct) AC Furnace Filter, Reusable & Washable 4-Stage Electrostatic Filter for Residential and Commerical HVAC (Actual Size: 19.88 x 21.5 x 0.75")