Interior surfaces of the pipe are smooth to permit maximum flow rates and minimize accumulation of sediment. Consider for hospitals, food processing plants, laboratories, pharmaceutical and chemical facilities. This pipe is not UV resistant. Pipe meets the FDA standards per Regulation Title 21. Pipe is clear but may have a slight tint, tolerates ethylene oxide sterilization and temperatures between 33 and 140 degrees F. It is UL rated 94VO and at 73 degrees F and will withstand PSI up to 130. Can be permanently installed with solvent cement and use in solid, liquid and pneumatic systems.