MGB fresh air "cowl vent cover"

Roger Searle
 

All,

I'd like to get a "cowl vent cover" to close off the fresh air intake that is just ahead of the windscreen.  Moss has these and they are held in place magnetically but states that they are not for use when the car is in operation.  My goal is to use it while driving to stop the leakage of winter air into the cabin.

Does anyone know of a type that is suitable for operation.

Thanks,

Roger

Join PhillyMGClub@groups.io to automatically receive all group messages.