?High Precision?Aluminium Aquarium Inline CO2 Bubble Counter with build in check valve. When the regulator is open, you will be able to calculate your CO2 injection rate by counting how many bubbles pass through the counter per minute.
?High Quality?This tool is made of high grade stainless steel material, which is anti-corrosion, abrasion resistant, glossy and durable. Special metal-grinded surface, light weight, easy to operate.
?Easy to Operate?Simply unscrew one end and fill the bubble counter with water, or if you prefer a bright coloured solution to make it easier to read.
?Easy to Install?Ergonomically design, easy to install and convenient to remove.
?Different Styles for Choosing?Different styles to choose, meeting your different demands.