Hugo Kamishi Airstone 23mm x 46mm x 4mm (2 pack) for Aquarium Air Pumps

Simply connect this airstone to an air pump to create an excellent oxygen supply and a stream of bubbles in your aquarium.

Size: 23mm X 46mm X 4mm

2 per pack.

We recommend that you also use a check valve to ensure the water doesn't back flow into your electric supply.