looking for a part ????? for the heater box

[james133]

I have a A/C car I just purchased the side vents and dash vents I'm missing the piece that the side vents connects to on the box the piece goes in front of the A/C door . any ideas where I can buy this or the correct name of the part I'm looking for

 

[sleepar]

Classic auto air... find the number off the web and give them a call