− Decrease quantity for Air Filter, Pro 5R, Cotton Gauze, Round, 3.50 in. Inlet, 12.312 in. Length, 6.0 in. Top, 6.0 in. Bottom, Each Quantity + Increase quantity for Air Filter, Pro 5R, Cotton Gauze, Round, 3.50 in. Inlet, 12.312 in. Length, 6.0 in. Top, 6.0 in. Bottom, Each Add to cart