BrassCraft CSSC4J-12 ProCoat 1/2" MIP x 3/4" FIP Ball Valve x 12" Stainless Steel Gas Connector 5/8" O.D. (180,000 BTU) ProCoat coating corrosion resistant to harsh chemicals as well as UV rays and salt Use with natural and LP (propane) gases Designed, machined and assembled in the USA