PRODUCT LINE: Noncorroding and nonconducting, Kwikon Fittings are engineered for the rugged day-to-day challenges of the construction industry - whether encased in concrete or concealed in walls or ceilings. Kwikon couplings and connectors, with their unique 360 deg locking tabs, provide for snap-on, lock-in installation that exceeds CSA and UL requirements for conduit pullout. Add our innovative form stubbys and Kwikon concrete-tight slab boxes, (available with or without integral 1/2", 3/4" or 1" molded hub connectors) and you've got a total integrated system that saves you time and money on the job. FEATURES: Concrete-tight, requiring no solvent welding or tape around the connections;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 wont break or crack;Unique six locking tab design has a pull-out resistance of up to 175 lbs;Approved for non-combustible 2 hr & 4 hr fire-rated floor/ceiling assemblies