Projects falcon fresh air dispensor

I'm working on my wifes 1963 ford falcon and I'm having a hard time finding the fiberglass tube that bolts under the driver side dash with the vent door on itif any one has any info on where to get these I'd really appreciate it it's her daily and its been a cold winter

 

I have seen these on e-gay several times. Also a nice little upgrade you can make is a 1964, 1965 style. These open via cable. Pre 1966 Ranchero, comet, falcon will work and I think it is the same part for the 64 1/2 to 1966 mustang. Most good mustang shops have one or two hanging around.