Polyprpylene Compression Female Threaded Elbow aremade from the raw material and are available in sizefrom 20mm o.d. x 1\2 n.b. to110mm o.d. x 4 n.b. thisfittings is designed to connect a lengths of Polyprpylene(PE) pipe to a BSP male Threaded fittings which canbe done assembly and installation take place withoutneed of any adhesives or welding material.