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COMMERCIAL KITCHEN VENTILATION SYSTEMS
Duo-Aire has been providing kitchen ventilation systems to the commercial market since 1969. Duo-Aire manufactures a complete line of kitchen exhaust hoods, a U.L. listed concentric grease duct system, a complete line of rooftop equipment, as well as a utility distribution system. This complete system provides the customer with all their kitchen ventilation requirements engineered to their specific needs.
     
U.L. LISTED CONCENTRIC DUCT: Duo-Aire is the only manufacturer in the market that offers as part of their package system a U.L. listed concentric duct package.
SPEC SHEET
l DRAWINGS l INSTALLATION GUIDE

FEATURES:
- U. L. approved for installation to within one inch of combustibles.
- Duct within a duct
- 18 gauge 400 series stainless steel continuously welded exhaust duct
- 18 gauge aluminized steel supply duct
- U.L. approved slip joint connection in vertical rise and at hood,
   no welding required
- U.L. approved clean out access doors
- Many configurations straight, tees, offsets, connect to
   multiple hoods
- Provides flexibility in design
- Reduces cost to end user
 

2012 VENTILATION MARKETING SERVICES, dba DUO-AIRE
39 Third Street SW Suite #206, Winter Haven, FL 33880
PH 863-294-2272 FAX 863-294-2704 E-mail info@duoaire.com