CMP 23315-241-000 - Massage Spa Jet InternalCMP 23315 241 000 Massage Spa Jet Internal is a gray 1 1 2 inch therapy jet internal from the Spa Master gunite jet line. Massage soft rotation style, which installs into standard 1 1 2 inch threaded wall fittings to add hydrotherapy action. It is the internal insert only, used to complete or replace the moving face of a compatible spa jet assembly. Key Features: Gray jet internal 1 1 2 inch size Massage soft rotation Spa Master replacement