Wika Instrument P/N 23234-1500-99012-ST-HF-1150, Type 232.34/990.12, Range 0-1500 PSI, Gauge 4.5" SS Lower Dry, Diaphragm Seal 990.12 1"150#RF 316SS w/Teflon Gasket, Fill Halocarbon, CS Plated H'ware, Flange Diaphragm Seal Assembly