PureFlow, Home Furnace Air Filter 20x20x5, with 4 Layers of Advanced Filtration Technology, MERV-13 Pack-of-1

Features: PUREFLOW HVAC Home Air Filters by Premium Guard are designed with four advanced filtration layers. A high-efficiency layer with a MERV 13 rating, is capable of stopping more than 90% of contaminants at sizes as small as 3 microns. Pollen, dust, and other common allergens don't stand a chance. FRESHENS AND REMOVES ODORS by utilizing activated charcoal which adsorbs harmful gases like carbon monoxide and sulfur dioxide. This layer is combined with baking soda to absorb bad odors from cooking, pets, and smoke. ADVANCED FILTRATION TECHNOLOGY provides a healthy home atmosphere, ensuring you're breathing clean air, while keeping your household comfortable and HVAC system operating efficiently.