This is our new, easy to use water bottle pump for 5 gallon water bottles. This is a simple hand stroke pump that produces 8oz per stroke and is self priming. This is comes with a connection for water bottles. The pump can also move a variety of liquids, even ones that are thicker than water. Examples would be detergents, lubricants, light chemicals and oils. This is a sturdy, well built pump, industrial grade, for everyday use.