Fish Tank Aquarium Co2 Diffuser Check Valve U Shape Glass Tube S/M/L

Specification: Material: Glass Color: Transparent Size: U shape diffuser (Small) : U shape inside width: 1.0cm Diffuser Body length: 4.5cm U shape diffuser (Medium) : U shape inside width: 1.5cm Diffuser Body length: 4.5cm U shape diffuser (Large) : U shape inside width: 2.0cm Diffuser Body length: 4.5cm Features: - Best connect to CO2 equipment - Provide nice alignment for tubing goes over the glass edge from outside to inside of the tank. - For 4/6mm tubing. - May meet inside diameter 4 mm outside diameter 6 mm general trachea / high pressure pipe Package included: 1x Tube Notice: 1.Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid. 2.The colors may have different as the difference display, please understand. 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.