United Filter 16x25x4 MERV 11 Pleated Furnace Air Filters (Case of 4) - HVAC Filters with High Dust Holding Capacity - Comparable to MPR Rating of 1200-1500

Nominal Size: 16 x 25 x 4 Actual Size: 15-1/2 x 24-1/2 x 3-5/8 MERV 11. Comparable to MPR 1200 -1500. Safeguard homes from pet dander, dust mites, lint, pollen spores, fine dust, and bacteria. Capturing up to 95% of airborne particles without compromising airflow.