The Allredi 125P Remote Control System is a OSHA compliant "fail-to-safe" system with a 1-1/2" brass inlet valve, 1" brass outlet valve, abrasive trap, and a 150P Remote Control Switch. In the event that the user drops the remote control, the system automatically shuts off and depressurizes the blast pot. This conversion kit includes the entire pneumatic remote control system plus a 1-1/4" Bantam Metering Valve