ITEM NAME:40mm Pump Hydroponics Air Stone Bubble Disk Aerator # For Aquarium Tank Fis M9D9 Description&Preview.The air pump is then placed in the water to help the air pump pump oxygen into the water. 1PCx Air Stone Disk. Total length: 5.5 cm (including the air stone and nozzle). You can follow below process to chontact us.
