Meprotal 2pcs 10inch Nano Air Stone Strip Air Pump Sand Stone Bubble Bar for Fish Tank Pond Aquarium Hydroponics (White)

Air Stone Size: 250mm/10”Length. Suitable for inner diameter 4mm soft tube. Increase oxygen levels, lower CO2 and raise PH, creates water currents. Can be easily driven by Air pumps, suitable for aquarium, fish tank and hydroponics. Durable, can be reused and washed repeatedly. It is an important instrument to successfully keep aquatic fish for respiration process.