Working fluid: Air Port Size: G1/8", G1/4",G3/8",G1/2" Filtration: 40um Adjustable Pressure Range: 0.05-0.85MPa Maximum working pressure:0.95MPa Proof Pressure: 1.5MPa Temperature Range: 5~60'C Material of Body: Aluminum alloy Material of Bowl: PC Material of Bowl Guard: Iron