... , non-toxic, no heavy metal additives, directly apply to the water supply system.2. Corrosion resistant, not scaling, no rust, anti ... , high strength and high impact strength.4. Lower cost compared with steel fitting, brass fitting.5. Convenient installation, reliable, recycled, environmental ... (38x30x27mm, or 38x25x20mm) PN25 ppr pipe fitting for hot and cold water