2Pcs Plastic Aquarium Air Stone Pond Fish Tank Pump Aerator Aeration Hydroponic Oxygen Air stone Accessories with Suction Cups Aquarium Air Stone Fish for Tank for Nano Air Bubble Disc with Suction Cup Quiet High Dissolved Oxygen Diffuser Tiny Bub

Increase oxygen levels, lower CO2 and raise PH, creates water currentsIt is an important instrument to successfully keep aquatic fish for respiration process. Durable, can be reused and washed repeatedly. Strong Suction Cup. Rotary design to control the bubbles. Creates bubbles in fish tank while attached to an air pump(air pump and air tube is not included). Specifications: Color: Black white pad). Material: plastic cotton pad). Item Size: Approx. 3.5x6.5cmDia. of replace cotton: about 3.2cm. Air Tube: Inner dia. 4mm. Outer dia. 6mm. Features: Increase oxygen levels, lower CO2 and raise PH, creates water currentsIt is an important instrument to successfully keep aquatic fish for respiration process. Durable, can be reused and washed repeatedly. Strong Suction Cup. Rotary design to control the bubbles. Creates bubbles in fish tank while attached to an air pump(air pump and air tube is not included). Specifications: Color: Black white pad). Material: plastic cotton pad). Item Size: Appr