1.union connector 2.material:PPR 3.Cavity:Single/multi 4. reasonable price 5.PPR union mould We are a Chinese ... delivery and clear communications.2. We can provide various of single/double Union valves, check valves, membrane valves, bottom valves, ... after customer approve sample and arrange shipment. size, color, package, price, weight, thickness, inch, pressure, Mpa, structure, surface, handle, ...