Are you looking for a professional but reasonably priced aquarium CO2 diffuser? Are you looking for a sturdy, trustworthy tool that can do multiple tasks at the same time? If so, then you must take at our glass fish tank CO2 diffuser, which can meet your needs. Features -Color: Transparent. -Material: Glass. -Size: About 11.50X4.30X2.50cm/4.52X1.69X0.98inch. -Improve the dissolution rate of carbon dioxide, help aquatic plants photosynthesis, suitable for fish tanks, aquatic tanks, aquariums. -High transparent glass, acid and alkali resistance, corrosion resistance, not easy to deform and break. -Let the water plants directly absorb CO2, making plants grow quicker, brighter colored, and thicker leaves. -Efficient and practical, fast and convenient, easy to use, provide appearance for grass cylinder. - workmanship and good materials ensure a and perfect details. Package list: 1 x set of aquarium with suction cup