United Filter 16x25x4 MERV 11 Furnace Air Filters (Case of 3) - HVAC Filters for Home & Office - Purify Air, Removes Pollen, Mold, Bacteria & Smoke - Replacement Air Filters

Nominal Size: 16 x 25 x 1 Actual Size: 15-1/2 x 24-1/2 x 3/4 (15.50" x 24.50" x 0.75") MERV 8. Comparable to MPR 1000. Captures up to 90% of airborne particles without negatively affecting airflow. Designed to filter microscopic particles such as lint, fuzz, spores, pollen, dust mites, pet dander, smoke, viruses, fine dust, and bacteria.