Dadabig CO2 Bubble Counter With Check Valve - Double Head Non-return Tool for Aquarium Planted Fish Tank

• CO2 Bubble Counter: Bubble counter is used in conjunction with bottle pressure and fine valve, can calculate the amount of carbon dioxide and provide enough carbon dioxide for plants. Enables aquatic plants to grow faster and healthier.
• Durable Material: Aquarium diffuser regulator is made of aluminum alloy and acrylic, harmless for plants and fish, lightweight, easy to install and use. The two ends of the metal material will not appear softening fracture.
• Preventing Backflow: The internal precision-designed check valve is absolutely preventing backflow, protecting the carbon dioxide bottle from damage.
• Easy to Read: The transparent design of counter makes it easy to see the bubbles, so that you can adjust as needed. More accurate and effective.
• Easy to Install: Add 4/5 water to the upper cover of the bubble counter, then insert CO2 gas pipes at both ends, and tighten the gas pipes to tighten the nut.

Product description 1.Double head CO2 bubble counter, provide a better living environment for aquatic plants and animals 2.Aluminum alloy and acrylic material, durable and lightweight, easy to use. 3.Transparent design, easy to see the bubbles. Specifications: Quantity: 1 Piece Material: Aluminum alloy and acrylic Size: 8*2cm Package Includes: 1 x CO2 Bubble Counter Satisfactory Service: Any problems of our product, please contact with us for refund or replacement. Directions Add 4/5 water to the upper cover of the bubble counter, then insert CO2 gas pipes at both ends, and tighten the gas pipes to tighten the nut.