Aquarium CO2 Bubble Counter Carbon Dioxide Counter with Suction Cup
Features: Small and easy to use, it can accurately measure your C02 flow rate
Inlet has built-in check for to prevent water flow backward
It should be used with the diffuser and check for
for Ideal for Aquarium CO2 system
Fit for all kinds of aquarium

Specifications: ABS
Color: As the picture show you
Size:approx.6.7cmx3.5cmx3.5cm/2.63''x1.37''x1.37''

Package Includes: 1 New Sucker CO2 System Bubble Counter Diffuser Plant Aquarium for other accessories in the picture is not included.)

note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!