Description The stainless steel bubble ring and are for both indoor and outdoor fish tanks and ponds. These accessories ensure optimal oxygenation, promoting a healthy environment for your aquatic. Simply connect the air stone to an air pump using an air tube, place it in your fish tank or pond, and watch as fine bubbles enhance water quality and oxygen levels. Features -Color:Black -Material:Stainless steel -Size:16.30X16.00X2.50cm/6.41X6.29X0.98in -Durable material: made from stainless steel, this air stone is resistant, ensuring longlasting performance in both indoor and outdoor environments -Oxygenation design: the innovative oxygenation design provides ample oxygen supply, promoting a healthy aquatic environment for your fish, including other species -Versatile use: suitable for both indoor and outdoor fish tanks, this air stone meets various needs, making it a versatile addition to your aquarium or pond setup -Air stone technology: utilizing air stone technology, this product produces finer bubbles, enhancing oxygen diffusion and improving water quality -Ideal for various fish: for a wide range of other fish species, this air stone ensures that your aquatic pets receive the optimal oxygen levels they need to thrivePackage list: 1 x Bubble Ring