40mm Aquarium Bubble Stone Aerator Disc

Product overview This 40mm Bubble Stone Aerator Disc is designed to increase oxygen levels in your aquarium when attached to an air pump. It includes both a 2.2 cm air stone and a 4 cm air plate and is compatible with 4 mm tubing. Key features Ozone aerated stone with hard gold steel sand for improved diffusion Good gas diffusion and filterability Ozone resistance and corrosion resistance Increases oxygen, lowers CO2, and can help raise pH Creates water currents to support respiration Durable, r