Package showed up today from overseas and had some air movers in it.. Have an assortment to play with of a few differ styles - One is even marked "water pump"...

Attaching a little video to show just how fast this system can react if needed - Just pumping into a closed and empty 4 oz tank. Using mbar to appease Bert - for our US followers 1 psi = 69 mbar I think the demo shows how quick it is. I then let the pump off scale the manometer (240 mbar)