Symtech's Multi Service Radiator Coolant Fluid Exchange System, Model VFX 1, will perform both fluid exchange, or reverse-pressure flush, engine off. During a reverse-pressure flush, this system eliminates air pockets, so there is no need to bleed the system. Eliminates spillage, with no mess to clean up. This system includes a 6 quarts/min. flow rate, 5-gal. new fluid tank, 10-gal. used fluid tank and a multi-fluid, additional 5-gal. tank for vehicles requiring unique fluids.