Alco Rooftop Ductwork HO Scale
The ductwork forced warm, drier, air back into the generator compartment, mildly pressurizing it so air flow was outward, which helped keep snow from entering and shorting the main generator.
Fits Proto1000 & Kato engines. Resin printed which will require light cleanup to remove some print lines. Prime & Paint with any plastic type paints. Details Associates GR 2703 Cooling Fan Grill can be used with this but is not included.