An easy way to pump the air into swim ring or pool. Airstep air pump features size about 12 cm, with the air volume up to 500 cc. Either to inflate or deflate, you can easily install the valve into the hole then step onto it to start pumping.
AIR STEPTM – AIR PUMP
* Stroke volume: 0.3L/cycle
* Inflation and deflation ports
* Flexible hose
* 3 valve adaptors to fit nearly every inflation valve
Contents: One foot pump