Feature:1. Bubble counting function: Aquarium CO2 diffuser has an independent bubble counting function, which is a perfect combination with refinement.2. THINNING SHEET: The thinning sheet of fish tank CO2 atomizer is made of excellent nano technology, which brings better thinning effect.3. HIGH DISSOLUTION RATE: The exhalation of CO2 diffuser is delicate and the dissolution rate is high, keeps plants in fish tank lives vividly.4. ACRYLIC MATERIAL: Aquarium CO2 bubble diffuser main body is made of acrylic material, and the product is translucent, like crystals.5. EASY TO OUTGAS: Acrylic CO2 diffuser required pressure is small, it is easy to outgas, and it saves original materials.Specification:Item Type: Aquarium CO2 DiffuserMaterial: Acrylic.Package List:1 x CO2 Diffuser2 x Suction CupNote:All data are measured manually, and there are certain errors in the measurement results.