Cor-Line ENT Tubing is conveniently available in reel lengths from 325 to 1500 feet and color-coded blue for easy identification. Residential (Low or High Rise) Commercial (Low or High rise) Institutional (Prisons Schools Universities) Hospitals and Nursing Homes (only in nonpatient care areas) Stadiums and Arenas Concrete-tight, requiring no solvent welding or tape around the connections Flexible enough to be bent by hand & tough enough to withstand crushing & breaking Made of impact resistant PVC, so it won’t break or crack Lightweight and flexible Quick and easy to install reducing labour by up to 50%