United Filter 20x20x4 MERV 11 Furnace Filters (Case of 4) - HVAC Filters Captures Bacteria, Airborne Dust, Pollen, Mold Sizepores & Sizemoke - Replacement Air Filter
$23.75
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United Filter 20x20x4 MERV 11 Furnace Filters (Case of 4) - HVAC Filters Captures Bacteria, Airborne Dust, Pollen, Mold Sizepores & Sizemoke - Replacement Air Filter
$23.75
Nominal Size: 20 x 20 x 4 Actual Size: 19-1/2 x 19-1/2 x 3-5/8 (19.50x19.50x3.63 inch) 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.