3/8 inch x 3/8 inch Lead-Free Brass Compression x Compression Union with Insert

This unique lead-free compression fitting comes already assembled with a captive sleeve, which puts even pressure on the tubing, ensuring a tight seal. Can be installed quickly and efficiently by both homeowners and contractors alike. The solid brass construction ensures that you're choosing a superior product for your project. Lead-free brass is not more than a weighted average of 0.25% lead when used with respect to the wetted surfaces of pipes and pipe and plumbing fittings and fixtures Use with copper, brass, aluminum, thermoplastic and plastic tubing Includes brass insert