ST-601 SPRAY GUN 3/8" FEMALE N Suttner Sale! from $56.00 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. 15° offset angle thru gun for easier overhead use. PSI: 4000 GPM: 12 Temperature: 300°F 3/8" FPT Inlet x 1/4" FPT Outlet Weight: 23 oz.