PRODUCT LINE: Noncorroding and nonconducting, Kwikon Electrical Nonmetallic Tubing (ENT) is engineered for the rugged day-to-day challenges of the construction industry - whether encased in concrete or concealed in walls or ceilings. Kwikon? ENT's corrugated construction allows it to be bent easily by hand requiring no special bending equipment. And our six locking tab Kwikon? couplings and connectors create a total integrated system that saves you time and money on the job. Lightweight and flexible, Kwikon ENT is quick and easy to install reducing labor by up to 50%,?comes with color-coded stripes for easy cable identification?and is?conveniently available in 10 foot sticks, coils or long reels. FEATURES: 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;Unique six locking tab design has a pull-out resistance of up to 175 lbs;Approved for noncombustible 2 hr & 4 hr fire-rated floor/ceiling assemblies;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;Unique six locking tab design has a pull-out resistance of up to 175 lbs;Approved for noncombustible 2 hr & 4 hr fire-rated floor/ceiling assemblies