1 Roll 20mm x 100 Meters NSF approved for drinking water Meets NSF-14 Standard High Quality Complies with NSF/ANSI 61 for Health Effect Provides longer life for heavy duty and general purpose applications Pack-Joint Fittings with Stiffener is the only method for connection joints. Insert fittings will NOT work or fit properly. Made With High Performance PE4710 Material PE pipe is extremely strong, durable, flexible, corrosion free and chemical resistant. These features make it perfect for a variety of underground conditions and help it last up to 100 years. The smooth walls allow for less friction, which increase flow through the same diameter as that of other pipes. THIS IS 100% BEST QUALITY❗❗❗ FOR MORE FURTHER QUESTIONS, KINDLY MESSAGE US DIRECTLY. KEEP SAFE AND GOD BLESS ALWAYS 🤞❤