This expansion coupling crafted by Cantex is an essential component for applications involving Schedule 40 and 80 conduit systems. Designed with durability in mind, the coupling is constructed from high-quality, non-conductive PVC, ensuring it will not rust or corrode over time. A notable feature includes an internal O-ring that effectively prevents leakage, making it a reliable choice for a variety of installations. The two-piece design allows for a maximum expansion of 8 inches, accommodating changes in temperature and movement within the conduit. As a UL listed product and manufactured in the USA, it meets stringent safety standards, ensuring peace of mind in both residential and commercial projects.