This flexible coupling meets the standards for ASTM D5926, has a length of 2 inch, a maximum operating pressure of 4.3 psi and is designed for the following applications: non-potable water. It is grey, has an operating temperature of 140 Degrees F and is made of PVC. In addition, it is a flexible reducing coupling, with inch wall thickness.,This flexible coupling meets the standards for ASTM D5926, has a length of 2 inch, a maximum