[Air pump accessories]: 2 pool bubble nozzles. It is very suitable for your aquarium or aquarium and is the best partner of the air pump [Release Stone Bubbles]: This pool bubble vent will produce more small bubble waterfalls than you think. Completely increase oxygen content, reduce carbon dioxide and increase pH value [Very quiet]: The bubble vent of high-quality pool is solid and porous, with high permeability. Very quiet operation [Excellent quality and reliability]: durable, washable, high-temperature sintering. The utility model has the advantages of long service cycle, convenient cleaning and repeated use. Note: Dirt during long-term use Blocking, bubble reduction, repeated disassembly and cleaning Sold as a separate lavatory vent, no air hose and other accessories, please soak the product in water for 15 minutes before use
