China Hongqi® New Stainless Steel Liquid Filled Pressure Gauge Water Oil Gas 0 to 100 Psi Lower Mount 1/8"NPT 2.5" Face Dial for Compressor Hydraulic Air Tank, Find details about China Pressure Gauge, Manometer from Hongqi® New Stainless Steel Liquid Filled Pressure Gauge Water Oil Gas 0 to 100 Psi Lower Mount 1/8"NPT 2.5" Face Dial for Compressor Hydraulic Air Tank