Accumulair Titanium 14x20x1 Allergen Reduction Air Filters (4 Pack)

Nominal size is 14x20x1. Actual size is 13.5 x 19.5. MERV 13 Rating. Each filter lasts up to 3 months. Uniform pleat shape enhances dust holding capacity and maximizes air flow. Supercharged pleated panel filtering media ideally suited for capturing fine airborne allergens such as dust, smoke, dander, mold, pet dander, and dust mites.