2*1.5 Reducing bush

a type of fitting used in plumbing and piping systems to connect pipes of different diameters.

1. 2*1.5: This indicates the sizes of the pipes the reducing bush is designed to connect. In this case, it means that one end of the reducing bush has a diameter of 2 inches, while the other end has a diameter of 1.5 inches. This signifies a reduction in size from 2 inches to 1.5 inches.