Features: Enhance your fish pond or tank with these oxygen bubble diffuser rings designed for optimal water circulation and aeration. The durable stainless steel build keeps longevity for underwater use. Efficient bubble diffusion allows fish air pump accessories to generate fine bubbles, improving the overall environment for both aquarium and pond setups. Features -Color:Multi -Material:Stainless steel -Size:16.30X16.00X2.50cm/6.41X6.29X0.98in -Note:Use with 8mm tube -Optimal oxygenation: enhance water quality with our oxygen bubble diffuser rings, increasing dissolved oxygen for healthier and more active fish in any fish tank or pond - durability: crafted from stable stainless steel, our bubble diffuser ring for pond withstands long term water exposure without rusting or breaking, ensuring dependable performance -Wide compatibility: for both indoor and outdoor use, the aeration ring for fish tank suits various sizes of aquariums and ponds, meeting diverse aquatic needs efficiently -Effortless installation: designed for easy setup, our fish tank aeration rings parts allow you to quickly improve your aquarium or pond oxygenation system with minimal effort -Silent operation: enjoy a peaceful environment as our aquarium air diffuser ring features quiet functionality, maintaining tranquility while aerating your water at optimal levels Package list: 2 x oxygen bubble diffuser rings