Stable Design: This Aquarium CO2 Generator base is designed to keep your CO2 bottle upright, preventing it from tipping over and ensuring stability during useSurface Protection: The Aquarium CO2 System stand helps prevent slipping and protects surfaces from damage and scratches, making it ideal for maintaining the integrity of your workspace or aquarium setupFitment: Specifically designed to fit CO2 bottles with a 60mm diameter, ensuring a snug and fitMaterial: Made from quality material, this CO2 Cylinders Tanks Holder offers durability and long time use, providing reliable support for your CO2 bottleCompact Size: With dimensions of 4.72inchx2.56inchx2.48inch, this CO2 Cylinders Bottle Stand is easy to useSize Chart:12cmx6.5cmx6.3cm4.72inchx2.56inchx2.48inchPackage Includes:1CO2 Cylinder Tank HolderNote:Please allow slightly errors 1-2cm0.39-0.79inch differences due to manual measurement.