23 3500 - Special Exhaust Systems
(Includes spot venting and vehicle exhaust removal)
See also: 23 3820 - Laboratory Exhaust Systems
- Airflow Systems - Air cleaning units for dust, smoke, fumes, mist, and vehicle exhaust.
- Air Vacuum Corporation - AIRVAC 911 Engine Exhaust Removal Systems. Vehicle emissions extraction and air purification.
- Allerair Industries - Negative air machines, odor control systems, air scrubbers, fume extractors and air purifiers.
- Car-Mon Products
- ENERVEX - Building heat exhaust systems and kitchen, dryer and bathroom exhaust systems.
- Harvey Industries
- Metal-Fab - Venting products for heating appliances, commercial kitchens, generators, engines, fumes, condensing appliances.
- Nederman USA
- PlymoVent - Firehouse systems, vehicle exhaust extraction, dust removal and extraction, welding smoke capture and filtration.
- Vent-A-Kiln Corp. - Exhaust for kilns and spot exhaust