Keep your fish tank well-aerated with our aquarium air stone pieces. These fish tanks air stones are designed to deliver uniform air bubbles, ensuring efficient oxygenation for your fish. The high-temperature construction makes sure durability and silent operation. Simply connect the air stone pump, position it in your aquarium, and let it charm, creating a serene and healthy habitat for your fish. 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! -Uniform bubble release: the fish tanks air stone pieces are designed to release bubbles uniformly, ensuring an even distribution of oxygen in the aquarium -Silent design: incorporating silent design technology, these air bubbler operate with minimal noise, creating a peaceful aquatic environment -Hightemperature durability: these air stones are treated with hightemperature sintering, making them and resistant to high temperatures -Increased oxygen supply: the special materials used in these bubble stones effectively increase the oxygen supply in the water, benefiting fish health -Dependable performance: these aquarium air stone pieces are built for dependable performance, offering use with minimal risk of malfunction Package list: 4 x Airstone