... 25mm, 32mm, 40mm, 50mm, 63mm,75mm, 90mm, 110mm5. Color: white, grey, green6. Certification: ISO9001-2008.Advantage:1. Sanitary, non-toxic ... high strength and high impact strength.4. Lower cost compared with steel fitting, brass fitting.5. Convenient installation, reliable, recycled, environmental ... .8. Piping system for other industries and agriculture. high quality white/green DN25 ppr fittings