This is a USC3990245 Fill Clean Aero Machine. Fill-One Aerosol Can Filling Machine. The Spray Max Fillclean Aerosol System consists of this fill-one patented filling cylinder & SprayMax 1K and/or 2K aerosol cans to produce convenient aerosols that achieve spraygun-like quality in seconds! With no loss of product & no cleaning! Compact system approximately the size of a coffee maker. No mess, no cleaning. Fills cans in seconds with no loss of paint product. Saves time, no labor time for clean-up. Saves money, no cleaning solvent to buy or labor expense. "Green friendly" system is safe for the enviroment & workforce. Convenient paint color indicator. Permanently sealed into cap.