The Walthers Cornerstone Rooftop Details set includes parts to add realism and interest to the most visible part of your structures. This set of building details includes parts to build: 
 
1 Large Roof-top Air Conditioner 
 
1 Medium Roof-top Air Conditioner 
 
1 Small Roof-top Air Conditioner 
 
2 Small Swamp Coolers 
 
1 Motorized Blower 
 
4 Cyclone Vents 
 
4 Short Monitor Vents w/Round Base 
 
3 Tall Monitor Vents w/Flanged Stack 
 
2 Capped Exhaust Stacks 
 
3 Motorized Vents 
 
3 Wind Direction Vent/Intakes 
 
3 Angled Exhaust/Intake Ducts 
 
4 Short T Style Exhaust Stacks 
 
5 Tall Smokejacks w/Caps