PEX Brass TeeFor 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-340: 3/8" CF x 3/8" CF x 3/8" CFNo. LF P-542: 1/2" CF x 1/2" CF x 3/8" CFNo. LFP-540: 1/2" CF x 1/2" CF x 1/2" CFNo. LFWP-18B-12PB: 1/2" CF x 1/2" CF x 1/2" CFNo. LFP-543: 1/2" CF x 1/2" CF x 3/4" CFNo. LFP-1142: 1" CF x 1" CF x 1/2" CFNo. LFP-742: 3/4" CF x 3/4" CF x 1/2" CFNo. LFWP18B-121208PB: 10 pack, 3/4" CF x 3/4" CF x 1/2" CFNo. LFP-741: 3/4" CF x 1/2" CF x 3/4" CFNo. LFP-740: 3/4" CF x 3/4" CF x 3/4" CFNo. LFWP-18B-12PB: 3/4" CF x 3/4" CF x 3/4" CFNo. LFP-1141: 1" CF x 3/4" CF x 3/4" CFNo. LFP-1143: 1" CF x 1" CF x 3/4" CFNo. LFP-1140: 1" CF x 1" CF x 1" CFView Watts Pexs website for details and warranty information on this product.