Product Name Mechanical ValveModel :TAC2-41VButton Type: Roller LeverControl Type: Mechanical ControlWorking Pressure Range: 0-0.9MpaPosition and Way No. :2 Position five WayPort Diameter :8.6 mm / 0.34''Total Size (Approx.) :70 x 35 x 15 mm / 2.75" x 1.38" x 0.59" (L*W*T)Packagep:1 x Mechanical Valve3 x Fittings2 x muffler