Enhance your fish tank with our underwater aquarium air stone, designed to provide optimal aeration and water movement. The air stone's sturdy construction ensures performance, while its compact size makes it suitable for both small and large aquariums. Your fish will thrive in the well-oxygenated environment created by this efficient air Features -Color:Multi -Material:Aggregate, plastic -Size: 41.80X1.80X1.30cm/16.43X0.71X0.51in -Note: Suitable for 4 mm diameter hose -Optimal oxygen supply: keeps your aquarium water welloxygenated for a healthier environment -Visually pleasing: combines functionality with aesthetics to enhance your tank's appearance -Multipurpose: suitable for different types of aquariums, offering great versatility -Reliable air stone: made with safe, sturdy materials to ensure the well-being of your fish -Steady bubble production: generates a consistent stream of bubbles, improving oxygen levels and water conditions Package list: 1 tank air stone