AQUANEAT 3inch Aquarium Air Stone 8 pcs, Fish Tank Bubbler Disc Oxygen Diffuser,Air Stones for Aquariums,Hydroponics,Ponds and Air Pump

Description 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 Air Stone Dimension: 3"D x 0.5" H Fits for 3/16 " and 3/8" standard airline tubing Quality and safe materials: Made of safe, washable and non-toxic material (Soak them for at least 2 hours before use) Disk-shaped design makes it easily be hidden in your aquarium or other fish tank bubble decorations (Note: Soak them at least for an hour before use) Dimension: Total length: 4 inches (including the air stone and nozzle) Dimension of the air stone: 3"D x 0.5" H Package includes: 8 pieces of air stone disk Features & details