[DETAIL] CO2 Diffuser for Aquarium Bubble Reactor CO2 System Atomizer for Fish Tank Live Plants Water Grass Grow Refiner with Suction Cup Package List: 2x Suction cup 1x Control valve 1x CO2 Diffuser Color：Transparent Small Diffuser SIze： Total Height：10cm/3.94in Top Disc Diameter：2.5cm/0.98in Bottom Horizontal Length：4.5cm/1.17in Large Diffuser Size: Total Height：10cm/3.94in Top Disc Diameter：3.5cm/1.38in Bottom Horizontal Length：5cm/1.97in Feature： 1. High efficiencyof diffusing carbon dioxide. 2. Improve the growth and health of your plants with a sufficient CO2 supply. 3. Equipped with a control valve for precise adjustment, this diffuser is convenient and practical, ideal for small aquariums and planted tanks. 4. Refining bubbles, efficiently dissolving carbon, and promoting the absorption of aquatic plants. 5. 4With independent bubble counting function at the same time, perfect combination with refining. [ATTRIBUTES] - Battery Included: No - Hign-concerned Chemical: None - Is Smart Device: No - Battery Included: No - Hign-concerned Chemical: None - Is Smart Device: No - Brand Name: TUNFAN - Origin: Mainland China - Product: Aquarium CO2 Diffuser - Item: CO2 System Atomizer - Color: White - Material: Acrylic - Fixing method: Suction cup fixing