MEASUREMAN 2-1/2" dial, 1/4"NPT Lower, Glycerin Filled, Stainless Steel case, Brass Inside, 30inHg/-100kpa-0-30psi/200kpa

MEASUREMAN 2-1/2" dial,Glycerin Filled, Stainless Steel case, Brass Inside, 30inHg/-100kpa-0-30psi/200kpa,1/4" NPT Lower Mount

SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, HVAC, Air Pump Vacuum Test

TeeJet 23120-3/4-PP Pressure Relief Valve polypropylene