Fish care products -co2 glass reactor carbon dioxide diffuser atomizer for fish tank aquarium 01 Highlights brand generic co2 glass reactor carbon dioxide diffuser atomizer for fish tank aquarium 01 Description: High quality polished stainless steel CO2, durable and elegant, adding a beautiful decor to your aquarium. 2 types to meet your needs. Helps ensure plants receive proper amounts of CO2, improve your plants' growth and health with sufficient CO2 supply. The CO2 diffuser disc should be screwed in as tightly as possible during installation. Note: The CO2 Diffuser may release large CO2 bubbles during the first 1-3 days of use. When the ceramic disc is saturated with water, it then releases fine bubbles of CO2, which is normal and may take up to three days. Specification: Material: Glass Size: Approx. 180x52mm/7.09x2.04inch Bottom Size (Dia.xH): Approx. 22x30mm / 0.87x1.18inch Package Include: 1 Piece CO2 Diffuser Note: As the above size is measured by hand, the actual item size may be slightly different from the above size. Due to lighting effects, monitor settings etc. There could be a slight difference in the color tone of the pictures and the actual item.