1.5" dust collector filter valve 1.World class quality diaphragm 2.Casting ... 0.6MPaWorking temperature: -25-55Celsius degreeWorking Medium: Clean AirOrifice: (25mm, 40mm, 50mm, 65mm, 76mm are available)Joint size: (1", 1-1/2", 2", 2-1 ... as DHL, TNT or EMS etc, deliver time 5~15 days. Shippment1: Usually we ship your order ... about the dust collector filter valve. d 1.5" dust collector filter valve