Trident Marine Single Stage Regulator w/300 PSI Gauge w/Tank Mount [1200-1411]Single Stage Regulator with 300 PSI Gauge with Tank Mount The most compact low pressure regulator that meets ABYC marine standard with a gauge for the required LPG System Leak Test1. It is fully assembled and leak tested with solid brass: male POL cylinder fitting, street tee & 300 psi gauge (low profile, water tight, stainless steel); and UL Listed die cast zinc body with 3 8 FPT outlet. Size: 2. 13H x 4. 5W x 1. 63D