Air Stone 3.1 Inch Column Diffuser for Fish Tank Aquarium Air Pump One Pack of 3pcs

MAIN PRODUCT FEATURES: HEALTHIER WATER: This air stone works to create bubbles that will help to oxygenate and filter your water. It will help circulate the water in your tank and create a healthier environment for your aquarium’s fish and plants. PERFECTLY SIZED BUBBLES: These air stones are made from a quality carborundum material that promotes high density, uniform, and more delicate bubbles.  These beneficial bubbles are perfect for any aquarium environment. QUALITY MATERIAL: This product is made of high-quality fine sand, silicon carbide, white corundum, and other materials through machine die casting and high-temperature sintering. This material is perfectly safe to place inside any aquarium, and its function will benefit any water system. EASY TO USE: Simply soak the air stone for 1 hour before use, and then you’re good to go! If you notice any decrease in bubble quantity or density, use a simple brush to clean any dirt or debris off the air stone to increase bubble pro