MORE THAN 9 INCHES
ATTENTION! This is the largest and most powerful pump in the world. Do not buy this pump unless you are very large to begin with. Your workout will not be effective if you do not fill the majority of the vessel. For a short time only, there is a full color range to choose from.
Note: This really is a very large pump. Do not over-estimate your size. If you are unsure about your size, click here to learn more.