Trac Outdoors Portable Bilge Pump - Features A Self-Priming Centrifugal Pump - Ideal For All Types Of Small Watercraft (69341) BlueThis great little self-priming, centrifugal pump is great in all kinds of situations. Ideal for John boats, utility boats, dinghyAs, inflatable boats and all other small watercraft, but also perfect as a back-up bilge p..