Aquaneat 2 Pack Air Stone, Large Air Stone Cylinder, Aerator Bubble Diffuser, Air Pump Accessories For Hydroponic Growing System, Pond Circulation, Aquarium Fish Tank (Small 2X2)

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 8W-10W or a commercial air pump
Fits for 3/ 16 inch standard airline tubing
Quality and safe materials: Made of safe and washable material(Soak them for at least 2 hours before use)
Note: Soak them for at least 2 hours before use and clean regularly by a brush as they get clogged after weeks or months of usage