12x12x1 Arm & Hammer Enhanced Allergen Air Filter & Furnace Filter (MERV 8) (4-Pack)

Nominal size is 12x12x1. Actual size is 11.75 x 11.75 x 0.75. Odors are eliminated and the air is deodorized with odor fighting technology that can help reduce common household odors, such as pet and smoke odors. This MERV-8 model has been designed with high efficiency and powerful odor fighting ingredients built in. Reduces up to 75% of large airborne particles and 35% of common household odors.