Enhance your aquarium setup with our aquarium bubble stone. This fish tank aerator stone provides consistent and even air distribution, creating a visually appealing bubble effect. The air bubbler piece is suitable for various tank sizes and can be used in both freshwater and saltwater environments, making it a versatile addition to your fish tank supplies. Features -Color:Black -Material:Sandstone -Size:16.00X13.00X2.10cm/6.29X5.11X0.83in - Suitable for hose with diameter of 4mm/8mm inner diameter - Note: Soak this product in water for 15 minutes before use! -Consistent oxygen supply: the fish tank aerator stone is designed to provide a consistent and even supply of oxygen, promoting a healthy aquatic environment -Quiet technology: featuring quiet technology, this aquarium air stone operates with minimal noise, ensuring a tranquil setting for your fish -Hightemperature resistant: the hightemperature sintering process ensures that the air stone can withstand high temperatures, making it suitable for various aquarium setups -Modern and attractive: the modern design of the air stone not only functions well but also adds an attractive element to your aquarium -Effortless setup: the air stone is easy to install; simply connect it to an air pump, and it’s ready to use, making it convenient for all aquarium enthusiasts Package list: 2 x Airstone