Fish Tank Air Stone Cylinder Aquarium Bubble Stone Oxygen Diffuser Fish Tank Accessory25 X 12mm / 1

Feature: 1. Can be hidden under the water easily and has no effect on the growth of fish and hydroponics, but can promotes it. 2. When the product is connected with an air pump, it can produce small bubbles in the fish tank to fully produce oxygen. 3. In addition, it can increase the oxygen level, reduce carbon dioxide, and increase the PH of the fish tank. 4. Durable and washable, high temperature sintering. Perfect for fish tank and aquarium. 5. It can effectively help the fish keep healthy and add an extra beauty to the aquarium. Specification: Item Type: Fish Tank Bubble Stone Material: Plastic Type: Aquarium Products. Package List: 10 x Bubble Stone