[Security Material]: The air stone is made of high-quality non-toxic mineral materials, safe, sturdy, and durable. It produces even and fine bubbles while delivering high oxygen dissolution. [Continuous Oxygen Supply]: This aquarium air stone efficiently and continuously supplies oxygen to your tank. Ideal for aquarium enthusiasts, it supports healthy fish respiration in aquariums, ponds, and other aquatic environments. [Easy to Clean]: If algae or impurities block the air stone, simply clean it with a brush. Designed for long-term use, monthly cleaning is recommended for optimal performance. [Various Uses]: Suitable for use in freshwater and saltwater aquariums, ponds, hydroponic systems, and fish farms. The fine, dense bubbles enhance oxygen levels and improve the visual appeal of your aquarium. Features: Made from high-quality, non-toxic mineral materialssafe, durable, and washable. Releases small, dense bubbles that increase oxygen dissolution in water, ensuring consistent oxygen supply for fish. Helps maintain proper aeration in home aquariums, promoting fish health and enhancing the overall appearance of the tank.