Grease Duct Overview:
The use of a listed, factory built grease duct offers a clear advantage when compared to traditional rectangular duct systems. Round ductwork improves the overall performance of the system with increased laminar flow through the duct and reduced buildup of grease in the corners like traditional duct. Our listed grease duct can fit any application including new construction or retrofits.
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Single Wall Factory built duct is made from stainless steel and is listed to UL Standard 1978 and CAN/ULC-S662. Ideal for use in kitchen ventilation applications where clearance to combustibles and temperature retention in the duct is not a factor.
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Double Wall Factory built duct sections are constructed of an inner wall and outer shell with insulation in between. Both inner wall and outer shell are stainless steel. Duct is listed to UL Standard 1978 and UL2221. Ideal for use in kitchen ventilation applications where zero-inch or reduced clearance (3/4") is needed.
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