New All Tool Depot Air Tank manifold for portable compressed air tanks. 1/2" Male NPT inlet x 1/8" Female NPT outlet Gauge port 1/8" safety relief valve set at 130 psi. MADE IN THE USA Brand new Compressed Air Bubble Manifold Valve with relief. This valve has a 1/2" Male NPT thread which screws into the tank. (Note: 1/2" threads measure about 3/4" in diameter, if needed these threads can be reduced or enlarged with a reducer.) This valve is great for a replacement of an existing valve and also works great if you're making an air storage tank out of a compressor tank. This valve is equipped with a 1/4" Female NPT port for an air hose as well as a 1/8" Female NPT port for an air gauge, and a Schrader tire fill valve on the side (as shown) for filling the air bubble. The red knob connected to this valve allows you to easily turn on / off the air flow to the air hose. This manifold features a 130 PSI safety relief valve also known as a pop off. Includes a Tank Filler Valve into the Built In Shut Off Valve Mates to a Typical Tire Chuck for Easy Tank Pressurization Safety Valve is Factory Preset at 150 PSI Includes Tank Pressure Gauge Port Construction: Brass Body & Components, Stainless Steel Springs, Nitrile O-Rings & Silicone Rubber Safety Valve Seals Specifications: Solid Brass Construction 1/2" MNPT Tank Inlet 1/4" FNPT Air Hose Connection 1/8" FNPT Gauge Connection Red Air Flow Control Knob Schrader (Tire) Fill Up Valve Relief Valve - 130 PSI