If effectiveness is the keyword for your business, then forget about manual pumps and concentrate more on Electric and Air Power Drum Pumps. As the names suggest, there are two kinds of drum pumps whose power comes from different sources: electricity and air. Electric Power Pump dispenses more in shorter time, making this time-saving product costs more than the air power drum pump. Electric power pump Air power drum pumps weighs much lighter than the electric one, but delivers less in longer time. Consequently it also costs less. One of the few things that determine which Grease Pump or Oil Transfer Drum pump is the best for you is the type of liquid you are storing. If it is high chemical solvent, make sure the pump is made from corrosion-resistant plastic. If it is less vicious (e.g. detergents or other mild solvents), polypropylene steel can work with it. We have a wide range of Chemical, Food and Solvent Electric & Air Power Drum Pumps , so make sure you read the spec to get the good one for you. If you need any assistance, call or email us and we will get back to you immediately.