2pcs 6inch Airstone Aerator Air Curtain Diffuser Bubble Stone for Aquarium Pump

Description:

• Suitable for freshwater, saltwater aquarium and hydroponic use.
• Used to increase the dissolved oxygen level in the aquarium.
• It produces fine bubbles making it efficient in the replacement of oxygen in fish ponds, tanks or hydroponic systems.

• Soak in the water for 15 minutes before use.
• Connect the airstone with your air pump and tube (not included).
• When it is clogged with dirt or creating bubbles with low quantity, please wash it for re-used.