... toxic, no heavy metal additives, directly apply to the water supply system.2. Corrosion resistant, not scaling, no ... cost compared with steel fitting, brass fitting.5. Convenient installation, reliable, recycled, environmental protection and safe.6. Long ... Pipe Fitting Our Production LinePart of Test ProcessPackaging Sample (38x30x27mm, or 38x25x20mm) male or female threaded ppr fitting for water pipe ...