Brass Manifold with unionfor pex pipe,multilayer pipe, copper pipe Ways:2~4 Size:3/4"x1/"x16,1"x1/ ... ,1"x1/2"x18 Brass Manifold, connection for pex pipe,multilayer pipe, copper pipeWays:2~4Size:3/4"x1/"x16/2,1"x1 ... /2, 3/4"x1/"x15,1"x1/2"x15,1.PPR pipes & fittings; 2.Brass fittings for composite pips,water-heating ... design 2.certificate3.fairs in 2012 brass manifold for pex pipe