1、[Compact And Transparent] Mini aquarium bubble diffuser, exquisite and small, does not take up the space of the fish tank. Transparent body can be integrated with water plants. 2、[Removable] This fish tank bubble diffuser is easy to disassemble and convenient to clean. Can be used with oxygenation pump (not included) to create a healthy environment for your fish. 3、[Suction Cup Fixing] The aquarium air stone diffuser is fixed with 2 strong suction cups for stable installation, you can place it safely in the corner of the planted aquarium. 4、[Increase Dissolved Oxygen] Fish tank oxygen refiner can produce very dense small bubbles to add oxygen to your plants. Increases oxygen levels and reduces carbon dioxide. 5、[Adjustable] This aquarium air refiner comes with an control valve that helps you adjust the level of refinement. Suitable for most freshwater and saltwater environments. 1 x Aquarium Bubble Diffuser2 x Suction Cup1 x Control Valve  Item Type: Aquarium Bubble Diffuser KitMaterial: AcrylicProduct Assembly Size: Height: Approx. 7cm/ 2.8in, Length (Not Include Suction Cup): Approx. 5.5cm/ 2.2in