ITEM NAME:2 Pcs Aluminium Aquarium Check Valve Sliver Dural Head CO2 Bubble Counter Description: A non-return function to prevent the backflow when the pressure changes. Easy to install and use, changeable part, anti-reverse design. Nut locking system is able to lock the CO2 pipe and prevents accident. Easy to read and easy to maintain. Helpful to estimate amount of CO2 release into your aquarium,perfect for all kind of aquarium, tank, ect. Specification: Material: Aluminium Alloy Length: Approx.8.7cm/3.43inch Package Includes: 2 pieces Aquarium CO2 Regulator Note: Pay attention to the gas flow direction during installation. For aquatic container, it is recommended to use 2-3 CO2 bubbles for 1 second. Please allow slightly difference to manual measurement. SKU: DMO0015468119452502.Helpful to estimate amount of CO2 release into your aquarium,perfect for all kind of aquarium, tank, ect. 2 pieces Aquarium CO2 Regulator. Nut locking system is able to lock the CO2 pipe and prevents accident.
