The air stone splits the air that comes from the oxygen pump. And turn it into tiny water bubbles that your see in a norma or mostl aquarium or ponds.
With a hose you can connect the airstone to an oxygen pump,: just fix the tip of the air stone to one end of the hose and the other end other hose to the oxygen pump.
This airstone work a little bit different from the stone like air stone.
With this one. Air is pumped into the open rubber space and it pushes out water through tiny holes.
Advantage of this air stone is that
1. it hardly get blocked or get stuck by water particles.
2. It dosnt Break
3. It pumps well because there is no clogging like in the normal air stone
4: It pumps fully through out the whole length of the air stone. Unlike stoney ones