Coralreef aqua Silicone Plastic Aquarium Fish Tank Round Air Stone Pump Bubble Disk Oxygen Plate, 10cm/0.39-inch - Pack of 2

Doesn't look like that, gum and sand release long time

Works well, good aereation. The plastic cladding looks a bit cheap though.

These things are floating in the fish tank than fishes

Good product

it is an amazing product. looks very nice in my big fish tank. It is working very fine

thanks

Bakwasss hai ek dum ,20 rs oxygen ball is much better than this

Both the stones are not giving the bubbles evenly