Seachem Bubble Counting Diffuser

Monitor rate of CO2 injection- For aquariums up to 75 L (20 US gallons)- Low profile design excellent for minimizing the visibility of the diffuser- Simple and easy to use The Bubble Counting Diffuser is a pollen style CO2 diffuser that connects to CO2 injection systems to easily disperse CO2 gas into the planted aquarium. The built-in bubble counter allows for easy monitoring of the rate of CO2 injection. The inclusion of a bubble counter in the diffuser makes the use of a bubble counter on the CO2 tank or in-line unnecessary. The Bubble Counting Diffuser has a 17 mm disc. Compatible with 6 mm (1/4") - Standard Airline Tubing. Suction cup included.