1. Hide-A-Hose inline hose stop. One side fits the pipe and the other side goes into a coupling which then takes the pipe. The stop should be installed several feet from the expected end of the hose.
2. Pipe adapter for 1.8125 inch OD pipe to 2 inch OD vac pipe. This adapter is used to mate smaller HP Vacuflo or any 1.8125 inch (1-13/16") outer diameter vacuum pipe (not SCH 40) to standard 2 inch OD thin wall central vacuum pipe.