GUN, RL-55, PSI 5650, GPM 12 - BLUE PA Sale! from $121.00 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Easy pull and easy to hold. PSI: 5650 GPM: 8 Temperature: 320°F 3/8” FPT inlet x 1/4” BSP outlet Weight: 23.3 oz