316 Stainless Steel or Brass wetted parts.
Black Polypropylene safety case with solid front and blow out back.5" 316SS Internals, 60 psi, 1/2 NPT Male Bottom Conn, Overload Stop, Silicone Filled For gauges with MIP, GY40 fill is standard for liquid filled gauges.Cleaning for Oxygen Service O2 is available only for dry or HL Halocarbon filled gauges..