Specifications:

• Size:2-3 CM
• Material: Gravel

Features:

• Can be easily driven even by small air pumps, suitable for aquarium, and fish tank.
• Sufficient quantities are enough to provide oxygen to your aquarium and bring a gentle flow of water.
• Because your aquarium needs oxygen, not stress, plus size is only 2-3cm, so it's so small that you can hide them behind plants or decorations.
• Long-term use will cause the air bubble stone to be blocked or covered by algae or other substances in the aquarium, which is normal, you only need to clean the surface with a brush, then dry it in the sun, and you can continue to use it for a long time.
• Suitable for aquariums, fish tanks, hydroponics, aqua farms and so on, its function is to provide oxygen to fish or other creatures so that your fish can be more healthy; This cylindrical shape of the air pump accessories creates micro-bubbles and can also add beauty to your aquarium.

Packing includes:

• 5 X Air Stone