Great For: Supply lines for drinking water Plumbing to fixtures to replace any other piping Any type of line dealing with potable/drinking water Can be buried underground From the furnace to the house Potable Wate PEX Tubing Non EVOH, Non Barrier This Non Barrier PEX Plumbing Tubing is used for residential and commercial hot and cold water plumbing applications. Can also be used for Open Loop Radiant Heating Systems as well as distribution lines for open loop heating systems. Certifications and Ratings: NSF Certified for Radiant Heating (North America Certification) SDR 9 sizing standard Manufactured to meet/exceed ASTM 876/877 standards CSA 137.5 (Canadian Certification) Warnock Hersey Canada (Canadian Certification) IAPMO Certified & UPC listed TUV (German Certification) DIN 4726 (European Standard) Pressure ratings: 79psi @ 200F, 100psi @ 180F, 160psi @ 73F by PPI Certifications & Standards PEX GUY piping is NSF certified since 2010SDR 9 sizing standard,Manufactured to ASTM 876/877 standards, CSA 137.5 (Canadian Certification),Warnock Hersey Canada (Canadian Certification)DIN 4726 (European Standard) It is perfect to for any sort of residential and light commercial hot and cold water plumbing applications. Can be buried underground, used under sinks, shower fixtures and to replace any other pipping in the house. Easy to Identify Between Cold & Hot Fast and easy to identify between Cold and Hot thanks to the PEX tubes being colored. Compatible Fittings Styles Compression Fitting SystemsCrimp Fitting SystemsCinch/Pinch and Clamp Fitting SystemsSharkbite FittingPress-Fit Fitting Systems and other similar systemsFittings could be brass, copper, stainless steel or poly. Marked Every 5 Ft All PEX piping is marked every 5 Ft to know the exact lengths of each loop faster and easier. Certifications can also be found every 5 feet printed on the tubing. Crimp & Cinch Fastening System To be used with a copper crimp tool and a stainless cinching tool.