Do you want a high-quality CO2 diffuser for your fish tank? You cannot miss this. Made of Solid glass, transparent and clear to see bubbles. It can create stable and fine bubbles for your plant in the tank. With it, you will never worry about bubbles and can enjoy the happiness of DIY CO2 generation. Features: Made of high-quality glass, solid and transparent to see bubbles. It can create stable and fine bubbles for your plant in the tank. Can be connect with check vavle, sucker, bubble counter. Reusable, easy to keep clean and install. Specifications: Color: Transparent Material: Glass Item Size: 8 * 3.5cm / 3.15 * 1.38in Item Weight: 12g / 0.42oz Package Size: 10.5 * 7.5 * 3cm / 4.13 * 2.95 * 1.18in Package Weight: 12g / 0.42oz Package List: 1 * CO2 Diffuser