Features:

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

l   Air Stone Dimension: 1.5 "D x 0.6" H

l   Fits for 3/ 16 inch standard airline tubing

l   Quality and safe materials: Made of safe and washable material. (Soak them for at least 2 hours before use)

l   Disk-shaped design makes it easily be hidden in your aquarium or other fish tank bubble decorations

 

Dimensions:

l   Air Stone Dimension: 1.5 "D x 0.6" H

Includes:

4 piece of air stone disk