With no special tools or equipment needed, Kwikon’s unique snap-on couplings quickly and easily join or terminate ENT and provide a concrete-tight connection. The unique “six locking tab” design creates a strong, pull-out resistant and concrete tight seal. Kwikon couplings are also UL Listed for use with Schedule 40 or 80 conduit. 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 Six locking tab design for a strong, concrete-tight connection Quick and easy snap-on design UL listed for use with rigid conduit