AQUANEAT Aquarium 5 inch Air Stone Cylindrical 2 Pack, Large Airstone, Aerator Bubble Diffuser, Air Pump Accessories for Aquariums, Hydroponic, Ponds and Fish Tanks

• Widely applicable: Suitable for hydroponic systems, ponds, aquarium fish tanks, helping extend the life of your nutrient solution
• Medium Bubbles:Produce dense bubbles, continuously increase oxygen solubility,keep fish and roots healthy and promote plant growth
• Stable in Water:Comes with two bases,can securely lie on the bottom,and make the aeration area more larger
• Air Stone Dimension: 1.5 "D x 5" H;Fits for 3/ 16 inch standard airline tubing.Recommended air pump at least 5W
• Note: Soak the stone completely in water for 1 hour before use; Clean it regularly with a brush as it gets clogged after weeks or months of usage

Features: 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 Recommended a high-output air pump at least 5W Fits for 3/ 16 inch standard airline tubing Quality and safe materials: Made of safe and washable material Note: Soak them for at least 1 hour before use and clean regularly by a brush as they get clogged after weeks or months of usage