Aquarium Air Stones Oxygen Bubbler, 4 Inch Fish Tank Quiet Oxygen Aerator, Air Pump Accessories Airstones for Fish Tank and Hydroponics

Choose for Tank and Air pump wattage: This air diffuser area at 4 inches, recommended for 35 - 100 gallon freshwater and saltwater tanks. Produces Small, Quiet Bubbles: Bubble diffuser releases compressed air into the water as tiny bubbles. This increases the contact area and exchange rate between air and water, providing ample oxygen for your fish without creating excess noise. High Dissolved Oxygen Rate: 4 inch air stone disc features a large surface area that releases smaller, denser and more uniform bubbles, effectively increasing oxygen levels while lowering CO2 and raising PH in your aquariums, fish tanks and hydroponic growing systems. High-Temperature Sintered Nanomaterials: Durable, Corrosion-Resistant, and Dirt-Resistant for Long-Term Use. Low Power Consumption for Energy Savings and Environmental Protection. Notice: regular cleaning is recommended to ensure optimal performance.