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