16x19x1 (15.5 x 18.5) AccumulairA (R) Titanium 1-Inch 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