This is our heavy duty, easy to use hand stroke pump that will transfer liquids from an industry standard 15, 30 and 55 gallon drum. It can produce any amount up to 22oz per stroke and is self priming. This has a 3 foot flexible discharge tube and comes with a connection for drums. This has a good design and is dependable. The PVC material can move a variety of liquids such as alkalizes, detergents, waxes, oils and most mild acids. This is industrial grade and built for everyday use.