Gast 12 hp oil-less vacuum pump with tank. Pond or septic aerator.Used vacuum pump setup with tank included.Currently set up for composite work.. Carbon fiber FiberglassCould easily be removed and used as a pond or septic aerator.Currently has three vacuum hoses and is wired for 115.Needs new gauge, but reads accurately above 5psi.Email please$400 obo-HP 12 -Compressor TypeRotary Vane-Voltage 1...