Item Feature:

Premium quality airstone diffuses water in every direction. A great way to properly aerate your hydroponic growing system.
Air stone cylinder produces fine bubbles for oxygen replacement, helps accelerate oxygen replenishment and release carbon dioxide build-up.
An ideal accessory for added aeration, circulation and decorative highlights. It creates a dazzling underwater scene while also increasing surface agitation.
Size: 4 x 2inch / 100 x 50mm (H x D). Fits for 4mm air tubing. Simply attach airline tubing to the air stone inlet and place it in desired location.

Note:

Please soak the air stones in water for about 30 minutes before usage.
If it doesn’t have bubbles in one part, please change the air pump of higher power.
After a long-term use, clean your stone regularly so that it will be most effective.
Replacing the air stone every six months as they get clogged with dust, bacteria, and algae.
Oxygen Replacement — An ideal way to add oxygen and circulate nutrition to your hydroponic growing system.
Versatile Airstone — Rising bubbles enhance vital hydroponic system aeration & water movement, versatile air stone for decorative & functional air bubbles.
Premium Quality — Made of safe, washable and non-toxic mineral material. Durable bubble diffuser air stone provides exceptional results for Hydroponic growth.
Size: 4 x 2inch / 100 x 50mm (H x D). Fits for 4mm air tubing.
Note: Please soak the air stones in water for about 15-30 minutes before usage. 4×2 Inch airstone needs the air pump of at least 10W.

Price: $10.99