Brass Manifold with unionfor pex pipe,multilayer pipe, copper pipe Ways:2~4 Size:3/4"x1/"x16,1"x1/ ... ,3/4"x1/"x18,1"x1/2"x18 Brass Manifold, connection for pex pipe,multilayer pipe, copper pipeWays:2~4Size:3/4"x1/"x16/2 ... requirements 1.packing design 2.certificate3.fairs in 2012 brass manifold for pex pipe