3/8 BRASS INLINE BALL VALVE
When you need a right tight seal, you can’t beat inline ball valves. These are brass full-port valves from United Water Products and are rated for 600psi W/O/G (water, oil, gas). Measure 1-3/4” long x 13/16” hex with a 4” rubber-coated handle. You pick the 1/4-18 NPT inlet and outlet, or the 3/8-18 NPT inlet and outlet. UL/CSA.