Accumulair Platinum 16x25x4 11 Air Filters (6 Pack)

Nominal size is 16x25x4. Actual size is 15.5 x 24.5 x 3.75 11 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.