Check the listing for details. Dura Flexible Coupling PVC 3/4" Schedule 40, 18" Long. Color: White, Condition: Open box. Listed at 17.95 USD. Flexible irrigation coupling to help ease installation around odd corners, obstacles, roots, etc. This 18" coupling will allow you to connect 3/4 inch PVC pipe in irrigation systems. Not to be used in constant pressure applications Outdoor landscape use only Constructed from flexible PVC Not to be used in hot water applications Designed to be used underground Potable The flexible coupling is manufactured from NSF approved material The Flexible coupling makes it much easier to repair a broken sprinkler line, than having to use the traditional schedule 40 rigid pipe Made from Flexible PVC allowing you to bend the coupling up to 180 degrees The flexible coupling allows you to make a sprinkler line repair in half the time, with half the labor Using the flexible coupling will make aligning the two broken pipes faster and easier because of the flexibility of the coupling