16 in. x 28 in. x 4 in. AprilAire/Space-Guard Replacement Pleated Air Filter FPR 9, MERV 11

Indoor air quality is commonly affected by particles such as dust, pet dander, and viruses. HDX is dedicated to providing a clean and comfortable indoor environment for everyone. We have a complete array of high-quality air cleaning filters which will ensure that your indoor air quality will be the cleanest air that you and your family can breathe.”,”highlights”:[“Helps protect against smoke, bacteria, virus carriers and more”,”Single replacement filter for AprilAire and lasts up to 1 year”,”MERV 13, fits AprilAire and SG 2410, 3410, 4400 and 2400/2140″