ZRM&E U Shape CO2 Diffuser 2PCS Aquarium Fish Tank Spacing U Type Tubes Carbon Dioxide Regulator Check Glass Tubes, U-Shape Tube Connector

The U-shaped tube is made of high-quality glass, which has a crystal clear appearance, is durable and beautiful. This carbon dioxide diffuser can produce abundant carbon dioxide, provide the carbon dioxide needed by aquarium plants, and provide a friendly living environment for aquarium plants. The CO2 diffuser has high transparency. Fine, transparent glass blends into the aquarium environment to create a sense of harmony and unity. It is suitable for fish tanks, aquariums, especially aquariums for ornamental aquatic plants and tropical fish. Overall dimensions: 2.56 x 1.06inch for easy connection to the air line of the fish tank. Connect an air line with an inner diameter of 4 mm (6 mm outside diameter).