Draper expert universal cooling system vacuum purge and refill kit draper expert 9544 b i expert quality i b dramatically reduces cooling system refill time by preventing air locks thus avoiding time consuming cooling system bleeding plugs into air line then attaches to the cooling system to create a vacuum filler hose is then connected allowing pre mixed coolant to flow easily into the system supplied complete with gauge 1 3m of clear hose four adaptors and hose end filler packe