Item Type: Pneumatic Quick Connector Material: Plastic steel, 304 stainless steel Maximum Pressure: 15 kgf/cm Applicable Hose: PU hose, plastic pipe Working Temperature: -35~50 SpecificationConnection pipe size(approx.)ThreadConnection hose inner diameter(approx.) SH20+PH208mm / 0.31in1/4in8 ~ 9mm / 0.31 ~ 0.35in SH30+PH3010mm / 0.39in3/8in10 ~ 11mm / 0.39 ~ 0.43in SH40+PH4012mm / 0.47in1/2in12 ~ 13mm / 0.47 ~ 0.51in Package List 1 x Pneumatic Quick Connector 1HIGH STRENGTH MATERIAL: Adopt industrial environmental protection high strength plastic steel, 304 stainless steel spring, and 304 stainless steel ball 2SELF LOCKING DESIGN: Pneumatic quick connector adopt accurate automatic locking design, more sturdy and labor saving 3WEAR AND CORROSION RESISTANT: Light weight with fast connection speed, wear resistant and corrosion resistant, can replace the quick connector made of traditional materials 4ENERGY SAVING WITHOUT NOISE: Built in self sealing valve allows you to disconnect from pump without losing air, save energy and no more noise 5WIDELY USE: Locking design, easy to connect and disconnect. Wide applications in automation equipment, natural gas, compressors