United Filter 20x20x2 MERV 13 Furnace Air Filters (Case of 4)- HVAC Filters for Home & Office - Purify Air; Removes Pollen; Mold; Bacteria & Smoke - Replacement Air Filters

Nominal Size 20 x 20 x 2 Actual Size 19-1/2 x 19-1/2 x 1-3/4 MERV 13. High Performance Comparable to MPR 1500-1900. Safeguard homes from pet dander; dust mites; lint; pollen spores; fine dust; and bacteria. Capturing up to 98% of airborne particles without compromising airflow.