England Type quick coupler 1) Female Male different thread.(NPT ,BSP,BSPT,UNF....) 2) Media: Compressed air. 3) Working Pressure: 1.0MPa 4) Max. Pressure: 1.5MPa 5) Temperature Range: - 20° ~ 80° 6) Material: Brass, Carbon steel with Nickel plated, Zinc plated, Copper plated. Our pneumatic quick coupler and plugs are available in steel, brass, and stainless steel, and they can be interchangeable with many manufacturers. Recommended for general purpose air, water and other low pressure applications. All hose barbs must be firmly fastened with hose clamps or ferrules.