Wika Instrument P/N 23334-400-99012-ST-HF-1150, Type 233.34/990.12, Range 0-400 PSI, Gauge 4.5" SS Lower Liquid Filled, Diaphragm Seal 990.12 1"150#RF 316SS w/Teflon Gasket, Fill Halocarbon, CS Plated H'ware, Flange Diaphragm Seal Assembly