Gas Pressure Test Kit Operating Range (In WC) 0 to 35 Slack Tube Length (in) 39 Max Working Temp (Deg. F) 122 Accuracy +/-1.5 Percent of Full-Scale Range Hose Inside Dia (in) 6 Rated Total Pressure 20 oz./sq. in Markings 0 to 5 psi In 0.25 psi Increments Includes 2-1/2 in Dia Diaphragm Actuated Gauge 39 in of Rubber Tubing 3/8 in NPT Brass Fitting for Quick Connection to Appliance Manifold Hose Clamp Molded Hard Case