Southwire Simpush 1/2" PVC-CIC Push-To-Install Coupling. Push-to-install couplings are used to connect PVC conduit without adhesive quickly, firmly, and without tools. UL/CSA Listed. Manufactured with UV-resistant resin. Watertight, concrete-tight and rated for direct burial. Manufactured with corrosion resistant copper free aluminum for excellent durability. Works with schedule 40 and schedule 80 PVC conduit, as well as HDPE cable-in-conduit product