This is a vintage air cleaner of the type used in Oldsmobile and Cadillac models from the 1950s. It is used in hot rods and other custom vehicles, and features a distinctive “bat wing” design. The air cleaner is made by General Motors. It is interchangeable with other cars including Guide, Delco-Remy, Mopar, Autolite, Motorcraft, Bosch, White Wall, Bias Ply, Jack, Windshield, Glass, Vent, Cowl, Moldin, Impala Belair 150 210 Fleetline Styleline Deluxe, Chevelle, Chevy, Fleetside, Stepside, 1/2, 3/4, 1 ton, Crew, Standard, Short, Hardtop, Sedanette, Rag Top, Sled, Bomba, Lowrider, Truck, Galaxie, Fairlane, Ranchero, Thunderbird, T-Bird, Comet, Monterey, Lamp, Light, Bezel, Housing, Bucket, Park, Blinker, Turn Signal, Lug, Mag, Magnesium, Spoke, Wire, Hubcap, Wheel Cover, Lemans, Tempest. It has dents and scratches seen in the pics. It is NOT rusty. The original filter is included.