The Samson PumpMaster 4 5:1 Bulk Tankless Packages are built for convenience and designed to be mounted on top of CUBET tanks. The packages include a PumpMaster 4 5:1 stub pump with bung adapter, 504 series (double arm) hose reel, mini piggyback filter-regulator, quick coupler and nipple, and a choice between EC8 electronic, MC8 mechanical, or a preset digital meter. The PumpMaster 4 5:1 packages are ideal for handling synthetic and mineral-based oil, antifreeze solutions, and water-based solutions.