Southern Plumbing

1/8" male NPT coutersunk brass plug. A common accessory, use this to plug unused ports in fittings like check valves, regulators, and manifolds.

Old Part Numbers: 68-4-21/8" MPT x 1/4" compression adapter for air compressor unloader line.

Old Part Numbers: 109-2Steel pipe plug, 1/8". Used to plug open port on manifolds (pipe), regulator ports, check valve ports, and others.