Pressure Gauge 1. Accuracy 1.6%,2.5%,1.0% 2. Good ... 3. One-year warranty 4. Fast delivery Water Pump Spares Pressure Gauge Dial size:1.5",2.0",2.5",3.0 ... ",4.0",6.0" Pressure Range:-30"-0-15000psi Socket:bottom connection and back connection ... .0% Liquid filled media:glycerine or silicone Water Pump Spares Pressure Gauge