Aprilaire® Replacement Filter Media, 5.88 in Width, 4.31 in D, 29.81 in Height, 1000 to 3000 cfm, 0.04 to 0.19 in WC
Air quality matters. That's why you trust Aprilaire® to keep your home environment safe for you and your family. Aprilaire® 513 Air Filters helps keep your HVAC equipment running at peak efficiency.