About This

• Widely applicable: suitable for small fish tanks and aquariums, helping extend the life of your nutrient solution
• Medium Bubbles: The air stone cylinders produce dense bubbles,tiny but steady, keep fish/ roots healthy and promote plant growt
• Air stone cylinder dimension: 0.55" D x 1.00" H;Fits for 3/ 16” standard airline tubing
• Quality and safe materials: made of safe, washable and non-toxic materia
• Note: soak the stone completely in water for 30 minutes before use; clean it with a brush after a period time of use