Modernize and superdetail a wide range of N Scale structure kits with the Cornerstone Heating, Ventilation, Air Conditioning HVAC Units kit. Perfect for roof- or ground-mounted units that are used on many industries, businesses and public buildings, these detail parts will add realism to your buildings and scenes. This HVAC Units kit includes parts for eight air conditioning units (four each of two styles). They′re perfect for use with many Cornerstone N Scale industrial buildings. Fits layouts from the 1970s to the present Correct height truck and railcar loading docks with weather bellows-seals Customize buildings in in minutes Includes four each or two different styles of air conditioners Great for use with other Cornerstone N Scale building details. Molded in appropriate base color