Bubble Stone Aerator for Aquarium Fish Tank Pump Hydroponic Oxygen Plate Mini Air Pump Accessories

Voltage : None Power : None Material : Gold steel sand Model Number : bubble air stone Tube Calibre : about 4mm Type : fish Origin : Mainland China Usage : increase the air volume in water Material : Gold steel sand,hard gold steel sand Model Number : bubble air stone Voltage : None Tube Calibre : about 4mm,4/6cm Origin : Mainland China Type : fish