Copper fittings,whose designs and specifications can be made according to the customers requirements,ismade of brass,iron,Al,etc Typedd1RR1hL16-1/2M11.816.51/23036L18-1/2M13.818.51/23035L20-1/2M15.820.51/23036L20-3/4M15.820.53/43137L25-1/2M19.825.51/23335.5L25-3/4M19.82553/43338L25-1M19.825.513642.5L32-3/4M25.832.53/440.544L32-1M25.832.5140.544 Copper fitting