HIGH QUALITY MATERIALS: Aquarium CO2 Air Diffuser. The main body is made of high quality glass, acid and alkali resistant, no immersion corrosion, high transparency, curved glass connecting pipe, small volume PROFESSIONAL WORKMANSHIP: aquarium co2 diffuser. Professional manufacturing, fine workmanship, suitable for small water plant tanks EASY TO USE: Aquarium CO2 Diffuser. Specially designed for the water tank, does not take up space HIGH DIFFUSION EFFICIENCY: Can greatly improve the dissolving rate of carbon dioxide, the diffusion efficiency is high < p>CO2 DIFFUSER USE INSTRUCTIONS: The refiner is placed at the bottom of the tank to enhance the dissolving effect
