Dymax Co2 Double Ended Aluminium Bubble Counter

Dymax CO2 Bubble Counters provide an accurate reading of CO2 and are designed for use in plant and reef aquariums. The aluminium doubled ended bubble counter includes an inbuilt check valve.
 

• Small and compact
• Easy to install and replace
• A non-return function to prevent the backflow when the pressure changes
• Made of tough material for long-term use