For polyethylene (PEX) crimp system. For hot or cold water applications. Copper crimp rings not included. Bagged. Manufactured to include no more than 0.25% weighted average lead content on wetted surfaces. No. LF P 515: 1.2'' barb x 1 2'' FPT brass adapter No. LFWP13B 0808PB: 5 pack, 1 2'' x 1 2'' Female adapter No. LF P 516: 1 2'' barb x 3 4'' FPT brass adapter No. LF P 715: 3 4'' barb x 3 4'' barb FPT brass adapter No. LFWP13B 1212PB: 5 pack, 3 4'' barb x 3 4'' Female adapter