− Decrease quantity for Air Filter Element, Pro Dry S, Synthetic, Round Flanged, 6 in. Inlet Flange I.D., 8.125 in. Diameter, Each Quantity + Increase quantity for Air Filter Element, Pro Dry S, Synthetic, Round Flanged, 6 in. Inlet Flange I.D., 8.125 in. Diameter, Each Add to cart