Carb Heat Line

[JDKRXW]

What's the ID of the carb heat lines (ie. what size do the hose barbs on a coolant shut-off valve need to be)?
Thanks in advance.

 

[rx1forever]

I think they are 1/4 ,

 

[Mighty]

I think they are 1/4 ,

Yep

 

[JDKRXW]

Thank-You!