CO2 Bubble Counter Prevent Return Accurate Counting Aluminum Alloy Aquarium CO2 Regulator for Fish Tanks Type 1 white

Feature: 1. Aluminum Alloy Material: This bubble counter is made of high grade aluminum alloy material, which is high strength, corrosion resistant, durable and reliable. 2. No Return: The CO2 bubble counter has a no return function to prevent backflow when the pressure changes, ensuring that the water plant meter and CO2 bottle are not damaged. 3. Accurate Counting: Aluminum alloy CO2 bubble counter can count the volume of CO2 and provide enough CO2 for plants. Clear and precise bubbles are easy to count. 4. Sealed Design: Fish tank bubble counter is designed with nut locking system to effectively lock the CO2 gas tube to prevent loosening and causing accidents. 5. Easy Installation: This aquarium bubble counter is easy to install and use