... balance, exter Metal Soft Pipes Universal type, upright axial type, universal hinge type, curved pipe with pressure balance, ... Metal Soft PipesFeatures: 1)Types: universal type, upright axial type, universal hinge type,curved pipe with pressure balance, external pressure ... pipe, cross axial type with long pull-rod,angle-directed type, bypass axial with pressure balance type, mortise-jointed metal ...