Good MaterialThe CO2 diffuser is made of aluminum alloy, which is durable, scratch-resistant and long-lasting. The knurled design has good anti-slip performance and does not harm fish and shrimp in the aquarium. Due to the nickel-plated and polished surface, it has good corrosion and rust protection functions. high carbon dioxide diffusion efficiency. Provide a healthy environment for your fish and improve the growth and health of your plants with sufficient CO2 supply.Simple and independent designFixed with a U-shaped plug, the height can be adjusted freely and the U-shaped cap tube can prevent CO2 flow from being blocked. High-density refined tablets make the bubbles more sensitive, and it is not easy to block the diffuser. After the CO2 refined tablets run out, you can simply open the CO2 diffuser and replace it.Small AppearanceThe appearance is small and beautiful. With suspended adsorption design, it will not occupy the bottom of the fish tank. It looks great and can use space efficiently.Necessary SystemThe CO2 diffuser is non-toxic, safe, energy-saving and environmentally friendly, and a necessary system for growing aquatic plants. It helps ensure that plants absorb the right amount of carbon dioxide, and by absorbing enough carbon dioxide, it helps improve plant growth and health.Feature:1. Easy to install.2. Excellent carbon dioxide dissolution rate.3. Give your aquarium an elegant look.Size: as shownBlue colorShipping quantity: 1 piece