Key Feature:

Widely applicable: Suitable for hydroponic and aquaponic systems, outdoor ponds, garden, aquarium fish tanks, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth

Air Stone Dimension: 2 "D x 6" H

Recommended a high-output air pump at least 8W-10W or a commercial air pump

Fits for 3/ 16 inch and 3/8 inch standard airline tubing

Quality and safe materials: Made of safe and washable material and it will not float in water (Soak them for at least 2 hours before use)

Dimension: 2 "D x 6" H

Note: Soak them for at least 2 hours before use and clean regularly by a brush as they get clogged after weeks or months of usage