Air Conditioning Window Unit Replacement Economy Plus FilterDetails3M Filtrete Air Conditioner Filter, 15-Inch by 24-Inch (9808-12) FREE Shipping on orders over $49. Economy plus replacement filters provide healthier indoor air quality. They control algae, bacteria, fungus, mold and mildew, and they remove dust, dust mites, lint, pet dander and pollen. Filters measure 24" x 13-1/2" x 1/4" and can be cut to size for easy installation. 1 x 5.5 x 13.5 inches #106,328 in Home and Kitchen (See Top 100 in Home and Kitchen) #52 in Home & Kitchen > Heating, Cooling & Air Quality > Air Conditioners & Accessories > Air Conditioner Accessories See all 10 customer reviews See all 10 customer reviews (newest first) CHANGE YOUR FILTERS OFTEN, VACUUM UNIT INSIDE, COVER IN WINTER AND WINDOW AND WALL UNITS WILL LAST ALOT LONGER.Collects all the same kind of dirt as the old manufacturer's product and more...very pleased. See and discover other items: lint trap filter