Dospel rotary chimney cowls are used for supply and exhaust ventilation, they are a decorative finish of the ventilation duct, they support the proper distribution of air inside the room and, when installed outdoors, they protect against precipitation from entering the building.
Rotating chimney pots are used to support chimney draft. They use the wind to create a negative pressure in the ventilation duct and push the air outside. Dospel chimney cowls are characterized by long service life