12.5x21x1 (Actual Size) Accumulair Titanium High Efficiency Allergen Reduction Filter

AccumulairA(R) Titanium Highest efficiency AccumulairA(R) filter on the market Unique mini-pleat design helps trap maximum amount of airborne pollutants Contains Odor Reduction Technology Antimicrobial protection discourages development of microorganisms in normal use Lasts up to three months