Watts LFPBAV-666 Adapt-a-Valve Compression 3/8-Inch x 3/8-Inch x 3/8-Inch
Durable lead-free brass is an excellent choice, with all threads manufactured to the highest standards and tolerances. For use with copper, brass, aluminum, thermoplastic and plastic tubing (when used with Watts insert part#967-P). It is not recommended for use with steel tubing. This compression fitting is easy to use for both contractors and the do-it-yourselfer. Not for underground use.