4″x2″ Cylinder Air Stone
Bubble Diffuser for Aquarium Fish Tank and Hydroponic Growing System. Fits for 4mm diamater air tube.
High Quality Material
Made of super hard gold steel grit, after high temperature sintering,it has good gas dispersion, good filterability, ozone and corrosion resistance. Safe and non-toxic.
Accelerate oxygen replenishment
Delivers lots of small fine bubbles for oxygen replacement.Accelerate oxygen replenishment for your aquariums or fish tanks.
【Cycle Use】Our air stones are washable and cycle use.
【Size】4 inches long and 2 inches diameter. Fits for 4mm diamater air tube.
【Application】Designed to add oxygen and circulate nutrition to your hydroponic growing system. Suitable for hydroponic systems, ponds, aquarium fish tanks, etc.
【Warm Tips】: Please immerse the stone in water completely for 2 hours before use. When clogged, please clean it regularly with a brush.