🔗 Connect with Confidence! Ideal for non-pressure drain, waste, and vent systems, both indoors and outdoors. Conforms to ASTM C1173 and CSA B602 standards for peace of mind. Leak-proof and rot-proof for reliable performance in any environment. Easily connects with cast iron, copper, lead, and steel piping. Weighs only 0.3 pounds, making installation a breeze. Certified Quality Leak-Proof Design Flexible Compatibility The 6I3J Flexible PVC Rubber Coupling is designed for seamless integration with various piping materials, ensuring a leak-proof and rot-proof connection. Certified for underground use, this coupling is perfect for non-pressure drain, waste, and vent systems, making it a reliable choice for both indoor and outdoor applications.