Pawfly Aquarium Air Stone Bar Bubbler 8 Inch, Fish Tank Bubbler Stone with 4 Suction Cups Square Oxygen Diffuser for Air Pump Fi

8 Inch Blue Air Stone Bars Compressed with sand, the 8 inch air stone bars feature durability, steady medium bubbles and high dissolved oxygen rate. A necessity to aerate your water reservoirs and enliven your aquatic life. It is well built to keep stable in water and withstand long-time use. Perfect for both fresh and salty water like tanks, aquariums and hydroponics. Come with 4 suction cups for organizing hoses and keeping your tanks neat.