Air Duct Flapper Valve Classic Car Flow Divider. I forget which car this is off, but it has clips to secure it to a housing.
Operated by pushing / pulling the wire sticking out the back. The flap moves to open 1 outlet and close the other. Dimensions as follows:
Duct OD 69mm
Duct ID 67mm
Rectangular housing 120mm x 105mm
Condition is Used.
Dispatched by courier 3-5 day service, UK mainland only Highlands and Islands extra please ask.