Mini Aquarium Diy Sucker Co2 System Bubble Counter Diffuser Fish Tank Acces

100% Brand New Material:ABS Color: As the picture show Small and easy to use, it can accurately measure your C02 flow rate Inlet has built-in check valve to prevent water flow backward It should be used with the diffuser and check valve Ideal for Aquarium CO2 system Fit for all kinds of aquarium Size:approx.6.7cmx3.5cmx3.5cm/2.63''x1.37''x1.37'' Quantity:1 pc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item, Thank you! Package includes: 1 x Mini Sucker CO2 System Bubble Counter Diffuser The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.