walthers cornerstone 4077 hvac units

Walthers Cornerstone -- HVAC Units -- Kit - 4 Each of 2 Styles of Rooftop Air Conditioners -- Great detail for modern or modernized industrial and commercial rooftops -- Typical of large capacity air conditioners and air handling units used on many industries, businesses and public buildings -- Perfect for modeling roof- or ground-mounted equipment -- Two complete sprues with parts for eight units (four each of two styles) -- Easy-to-build plastic kit -- Molded in appropriate base color