Replacement Low Side Pressure Gauge Diameter 3 1/8 in Working Pressure 30 in Hg to 500 psi Connection Size 1/8 in (M)NPT Color Camouflage Glow-in-the-Dark Gauge Type Non Liquid Filled Gauge Accuracy +/-1.00 Percent For Use With R-22 R-404A R-410A Application Replacement Manifold Gauge for Manifold Gauge Sets