The HellermannTyton 166-25904 is a black Y-Connector IP68 34-28mm designed to help protect wiring and electrical connections. This IP68-rated waterproof conduit fitting is designed for a wide range of electrical and electronic installations. It has a robust and durable construction, and is designed to resist impact, vibration, and temperature extremes. The Y-Connector IP68 34-28mm is constructed from polyamide with a halogen-free and flame-retardant outer construction that protects the connectors from UV and Ozone exposure. It is threaded for 34mm single fill conduit to 28mm double fill conduit and is suitable for robotics and machinery control, outdoor lighting, solar applications, transport, telecommunication, and power plants.