uxcell Pneumatic QE-04 3/4" Inlet Port Air Quick Exhaust Valve Product Name: Quick Exhaust Valve; Model: QE-04; Flow Medium: Air Gold Tone Port Diameter: 16mm/ 5/8"; Inlet/ Outlet Ports Diameter: 19mm/ 3/4" Operating Pressure: 0-0.8 kgf/cm2; Working Temperature: 0 - 60 oC Total Size: 52 x 36 x 28mm/ 2" x 1.4" x 1.1" (L*W*T); Main Material: Aluminum Alloy Color: Black & Gold Tone; Net Weight: 88g; Package Content: 1 x Quick Exhaust Valve