Durable, flexible PVC. A = the I.D. (inside diameter) of side No. 1. B = the I.D. of side No. 2. C = the length of the actual coupling, end-to-end.
Strainer Basket Shank Nut Asst$3.99
1-1/4x10 Black Nipple$7.50
2" XL Glide$13.99
1-1/2 SxS Coupling SCH80$4.29