gauge STAINLESS STEEL LIQUID FILLED PRESSURE WOG WATER OIL GAS 0 to 15 PSI LOWER MOUNT 0-15 PSI 1/4 NPT 2.5" FACE DIAL FOR COMPRESSOR HYDRAULIC AIR TANK FREE SHIPPING:: LIQUID/GLYCERIN FILLED PRESSURE GAUGE. LOWER MOUNT RATED WOG.... WATER - OIL - GAS/VAPOR 0-15 PSI 2.5" FACE/DIAL 1/4" MALE NPT CONNECTION FREE SHIPPING