【Material】The atomizer is made of high-quality aluminum alloy. Nickel-plated surface, never rust. [Function] The diffuser plate decomposes CO2 into small bubbles, so that CO2 is easily dissolved in water, so that plants can absorb CO2 for photosynthesis. 【Easy to Install】The CO2 diffuser is fixed on the side wall of the fish tank by suction cups, it is simple and convenient to install and use, anyone can easily install it without instructions. 【High Quality】The CO2 diffuser has a stable shape and is not easily deformed by pressure changes or external forces. 【Quality Guarantee】Provide you with the highest quality assurance, if you are not satisfied with the product, please contact us.