UPVC Reducer Coupler connects two drainage pipes with plain ends and a spigot end fitting to a drainage system's plain end of a pipe. The maintenance-free plastic coupler comes in a range of sizes and may be used to connect pipes and fittings in the drainage system. Apart from this, UPVC Reducer Coupler can be used to link basic drainage pipe types in a plumbing system. This coupler can be used to join fittings spigot ends to drainage plain pipes.