2 Pieces Bubble Stone for Aquarium, Aquarium Air Stone, for Aquariums, Ponds, Fish Tanks, Oxygen Diffuser for Fish

Safe and Durable Material This bubble stone is made of high temperature sintered sand and stone, which is strong, reliable, non-toxic and harmless. It can be safely placed in ponds, aquariums, etc. It is compatible with 4mm/8mm pipes and is not afraid of the test of the use environment. Durable design: Aquarium Bubble Disc is made through a high temperature sintering process and its durability is greatly improved compared to ordinary bubble stones. Simply clean and scrub the surface of the air stone every month to keep it in good condition and ensure long-term stable use. Uniform Bubble Release: Air stone disc adopts a flat design with a high-density pore structure, which can release bubbles evenly and stably, creating an intelligent and wonderful visual effect for the underwater world. Excellent Functional Performance: The frosted texture design of round oxygen diffuser can effectively increase the oxygen content in the aquarium and pond water, reduce the concentration of carbon dioxide and create a dynamic living environment for aquatic organisms such as fish and shrimp. Wide application areas: Pierre a Air aquarium is suitable for ponds, aquariums, wind ponds, seafood ponds, aquaculture and other scenes. It is a powerful tool for various aquaculture and landscape building projects.