Features:
①It is an important element to successfully keep aquatic fish for respiration process.
②Fit for freshwater, saltwater aquarium and hydroponic use, it is the best partner for air pump.
③Air stones allow the aquarist to create beautiful walls of bubbles that not only look good, but also help aerate and circulate the water.
④Simply connect your air pump (not included) and the Bubble-Wall will evenly distribute bubbles through a super-porous, non-clogging wand.
⑤Come with rubber suction cups to stick to glass surface firmly, and the tube can be cut with a razor blade to be shorten into a size you need.

Regular Maintenance:
①Please Soak in water for 15 minutes before use.
②After a few months of use, the air stone will begin to get clogged.
③To lengthen the life of your air stone, pull it out once a month and clean it with a toothbrush.
④This will remove the clogged debris and allow the air stone to continue working for many more months.
⑤Once the stone completely stops working, it is time to replace it.
⑥If the air bubble is uneven or no air bubble is generated after connecting, it probably means that your air pump has insufficient air volume, you may need a more powerful air pump.

Specifications:
Color: Blue, Green
Material: Mineral, Plastic
Size: 75x11mm/3"x0.4" (D*H)
Disk Inner Diameter: 50mm/2"
Connector Outside Diameter: 5mm/0.2"