Get your task done quicker and easier with the ADS 4 in. Dia. x 4 in. Dia. Snap-In To Snap-In Polyethylene Internal Coupler 0417AA. This coupler features Schedule 40 design end-to-end and is made of sturdy polyethylene to withstand temperatures up to 150°F. Certified ANSI compliant and underground rated, this coupler is perfect for tackling any project safely and effectively. Get yours today!