6 TUBING, ELBOWS, T'S, Y-FITTINGS, UNION COUPLINGS, COUPLINGS, CAPS, ADAPTERS, AIR CHAMPERS, BUSHINGS, REDUCERS, VENTURIS, BRANCH CONNECTORS, BULKHEAD FITTINGS, CROSSES, CROSS-OVERS, ECCENTRIC COUPLINGS, EXPANSION JOINTS, RETURN BENDS, FLANGED FITTINGS, T'S AND ELBOWS, FLOOR FLANGES, PIPE HANGERS, MANUFACTURED OF CAST OR WROUGHT METAL