− Decrease quantity for Air Filter, MaxFlow 5, Conical Flanged, 6.0 in. Inlet, 8.0 in. Length, 4.75 in./7.5 in. Diameters, Blue Cotton Gauze, Each Quantity + Increase quantity for Air Filter, MaxFlow 5, Conical Flanged, 6.0 in. Inlet, 8.0 in. Length, 4.75 in./7.5 in. Diameters, Blue Cotton Gauze, Each Add to cart