20 Inch Plastic Hand Operated Siphon Pump For Transferring Liquids Measures 20 Inches long overall, and weighs 2.6 ounces Easy to use with clear plastic tubes-you can see liquid moving as you work Just put the straight tube into the liquid, and the flexible hose into the empty container Made entirely of plastic-immune to oil, acid, alkali and extreme cold Use of this siphon pump can help prevent accidental inhalation of dangerous fumes