BLOTFISH Fish Tank Bubbler 3.2 Inch Air Stone for Aquarium Fish Tank Nano Quiet Dissolved Oxygen Diffuser Kit for 20 to 70 Gallon Fish Tanks

[Quiet Tiny Nano Bubbles: The oxygen air stone refines the air output from the air pump into fine gas bubbles making the bubbles smaller and denser. This increases the contact surface area and exchange rate between air and water providing ample oxygen for the fish without generating excessive noise. 3.2 Inch Air Diffuser Area: recommended air pump power: 3W-5W suitable for freshwater and saltwater aquariums ranging from 20 to 70 gallons. Note: If the water is deeper you may need to choose a higher-powered air pump to ensure optimal performance (air pump are not included). High Dissolved Oxygen Rate: this air bubbler for aquarium can produce more uniform bubbles effectively increasing oxygen levels while reducing carbon dioxide levels in aquariums fish tanks and hydroponic systems and raising the pH value Dirt-Resistant for Long-Term Use: It is easy to clean and can be used for a long time and has better dissolved oxygen effect. When the small bubble burst into the water the sound is super quiet (Note: regular cleaning helps to ensure optimal performance.) Great Accessories for Air Pump: this aquarium air stone kit includes a 3.2 inch Nano aquarium air stones 1 Control Valve 2 Suction Cups 1 T-Shaped Connector and a 2m (78.2 Inch) Airline Tubing. Notice: the air pump is not included.]