Sharkbite Max, 1/2" Push to Connect x 3/8" O.D. Compression x 1/4" O.D Compression. Stainless steel collar. Dual Stop Valve. Work on wet lines, rotatable after installation and removable. Push to Connect fittings are ideal for installaton in tight spaces. Rated to 160 degrees fahrenheit and 125 PSI. Can be installed on wet or dry lines and pressure tested immediately no waiting on soldering joints to cool or solvents to dry. Chrome plated exterior body. Low lead DZR corrosion - resistant brass body. Code approved IAPMO listed. 2 year warranty when used with PEX, copper, CPVC and PE-RT pipe. The supply stop valve is compatible with any combination of copper, PE-RT, CPVC, and PEX pipes, and is composed of brass with a sleek chrome finish for an attractive aesthetic.