Product Description Product Description The all new Accumulair Titanium is the highest efficiency Accumulair filter on the market! Electrostatically charged fibers capture microscopic allergens smaller than 1 micron! Unique mini-pleat design helps trap maximum amount of airborne pollutants. Contains odor-reduction technology! Antimicrobial protection discourages the development of mold, mildew, bacteria or other microorganisms in normal use. No chemicals added to Accumulair! Lasts UP TO 3 months!