Enhance your fish tank's aeration with our robust aquarium air bubbler. These small air bubbler pieces are suitable for maintaining optimal oxygen levels in your aquarium, promoting the well-being of your fish. The round base bubbler pad ensures stability and even air distribution. To use, attach the air stone pump, submerge it in the water, and enjoy the tranquil bubbling effect. Features -Color:Multi -Material:Sandstone -Size:8.00X8.00X6.00cm/3.14X3.14X2.36in - Suitable for hose with diameter of 4mm/8mm inner diameter - Note: Soak this product in water for 15 minutes before use! -Even air distribution: the fish tank bubble stone pieces are engineered to provide uniform air distribution, ensuring a balanced oxygen supply in the aquarium -Noise reduction: featuring a noisereducing design, these aquarium air bubbler operate quietly, maintaining a serene environment - hightemperature sintering: these air stones hightemperature sintering, which enhances their durability and resistance to high temperatures -Enhanced oxygen levels: the unique material composition of these bubble stones significantly boosts the oxygen levels in the water, promoting healthier fish -Reliable: built to last, these aquarium air stone pieces offer longterm reliability and are less likely to experience operational issues Package list: 4 x Airstone