If you ever need a big pump to move water or air ... The biggest prerequisite is a couple of one-way check valves that King Of Random previously showed viewers how to build.

It’s a basic hand pump, with no pressure gauges or other ... You’ll also need some tubing and a check valve to get the job done. The basic concept is to reconfigure the pump to suck air ...

Aqua Leisure’s dual-action hand pump is made with fun on the water in mind. It comes with four different nozzles to accommodate universal valves commonly used on floating rafts, blow-up pools ...