This PVC coupling from Allied Tube & Conduit offers a reliable solution for connecting two pieces of conduit with a seamless and secure fit. Measuring 4 inches in diameter, this gray coupling is designed for use in a variety of electrical applications, meeting the UL651 standard for safety and performance. Its durable construction ensures that it can withstand the demands of various environments while providing consistent reliability in conduit connections. This product is an essential component for any electrical installation requiring robust and compliant connections.