Nordic Pure 14x30x1PBS-3 Pure Baking Soda Air Filters (Quantity 3), 14" x 30" x 1" Actual size of air filter: 13 15/16 x 29 15/16 x 3/4 33% more odor fighting material than our competitors! Arm yourself with a natural unscented odor neutralizer Nordic Pure baking soda air filter lasts up to 90 days Made in the USA