Mini siphon pump for transferring liquids. When pumping, the air screw at the top of the pump head must be closed, the pump head activated by pressure on the sides and the liquid then flows by itself. To stop, open the air screw. MUST NOT BE USED FOR: Benzene, Gasoline, Methylethyl, Concentrated caustic soda, Nitric acid, Hydrochloric acid, Sulfuric acid, etc.
