AQUANEAT Air Stone Fish Tank Bubbler Aquarium Disc Oxygen Diffuser for Hydroponics Aerators Pump (2-3/8(6 pcs))

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: 2-3/8 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: 3.25 inches (including the air stone and nozzle) Dimension of the air stone: 2-3/8 D x 0.5 H Package includes: 6 pieces of air stone disk