Air Stone Fish Tank Bubbler Aquarium 3In Disc Oxygen Diffuser For Hydroponics Aerators Pump 8Pcs

Features: Dimension: 3 Air Disk: 3D x 0.6H fit for 3/16 and 3/8”standard airline tubing Made of safe and washable material WIDELY USED: Abundant cascade bubbles make it efficient in the replacement of Oxygen in fish ponds tanks or hydroponic systems. It creates a circle of bubbles that helps keep healthy fish and adds to the beauty of the aquarium. INCLUDES: 8 pieces of air stone disks