From the Manufacturer
Durable, lead-free brass is an excellent choice, with all tapered pipe threads manufactured to highest quality standards and tolerances. 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. This pipe fitting is easy to use for both contractors and the do-it-yourselfer. Not for underground use.