Feature: 1. Bubble counting function: The aquarium CO2 diffuser features an independent bubble counting function, designed for precise CO2 regulation. 2. Thinning sheet: The diffuser's thinning sheet is crafted with advanced nano technology, enhancing the diffusion efficiency. 3. High dissolution rate: The CO2 output is fine and consistent, ensuring a high dissolution rate to support healthy aquatic plant growth. 4. Acrylic material: The diffuser body is made of high-quality acrylic material, offering a translucent, crystal-like appearance. 5. Easy to operate: Requires low operating pressure, making it efficient for gas release and energy saving. Specification: Item Type: Aquarium CO2 Diffuser Material: Acrylic Package List: 1 x CO2 Diffuser 1 x Suction Cup Note: All measurements are manually taken and may vary slightly.