Engineered for seamless connectivity, this transition coupler from US Coupler offers a reliable solution for joining polyethylene (HDPE) duct with PVC pipe or fittings. Constructed from durable aluminum, it features a smooth exterior wall that provides enhanced performance and an airtight seal with an impressive rating of 180 psi. Its 3-inch nominal duct size makes it a versatile addition for various applications in pipe and conduit systems. Additionally, custom sizes are available to meet specific project requirements, ensuring that you can achieve the optimal fit for your installation needs.