E940F 1" SCH 40 COUPLINGFlexible Raceway Systems and Accessories include Flex-Plus® Blue ™ ENT, Riser-Gard ® (flexible raceway for riser and general purpose applications), Hal-Free Riser-Gard®, and Plenum-Gard® (flexible raceway for plenum applications). Our total system approach covers all desired needs for the protection and management of cabling systems.