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
Air Stone Dimension: 2 "D x 4" H;Fits for 3/ 16 inch standard airline tubing
Recommended a high-output air pump at least 8W-10W or a commercial air pump
Quality and safe materials: Made of safe, washable and non-toxic material.
Note: soak the stone completely in water for 1 hour before use; clean it with a brush after a period time of use.
