Crafted for enduring reliability, the Shur-Lock II Coupler from Duraline is an essential solution for connecting HDPE, PVC, FRP, and steel pipes. Designed with user-friendliness in mind, it allows for one-person installation without any tools and features no internal diameter reduction, ensuring seamless flow. Its robust construction provides excellent pull-out strength of up to 1000 lbs, while still being air and water-tight to maintain integrity under pressure, handling over 130 psi for air and greater than 20 psi for water. Ideal for a variety of applications, this coupler is UL and ETL listed for specific sizes, making it suitable for both underground and wet location installations.