【Quality】: Aquarium CO2 atomizer in aluminum alloy, nickel-plated after oxidation treatment, acid corrosion resistance and alkaline, durable. 【Function】: the diffusion plate decomposes the CO2 in lowercase currents of Bubbles, dissolve it in the water, then allows plants to absorb CO2 for photosynthesis. 【Highly Seadled】: Make sure to tighten up top threaded port, press TigHetly on suction cup so that it fits tightly to the surface of the aquarium side wall, to get the best atomization effect. 【Performance 】: The high density aquarium atomizer produces small bubbles (diameter less than 0.1 mm), which increases the dissolution rate of carbon dioxide, which is not easy to block the aquarium. 【Easy to clean】: Open the cover of the top diffuser cup to replace it. It is recommended to clean once a week to avoid bacterial growth.Installed directly under the aquarium. Also suitable for low voltage systems or processor-controlled systems and 20-40L aquarium. Features -The U-shaped design is