Double Wall Insulated Grease Duct

Double wall factory built grease duct is ideal for use in applications where reduced clearance or zero inch clearance to combustibles is needed.
Double wall insulated grease duct. Double wall zero clearance. Double wall kitchen exhaust vent 3 ceramic insulated metal fab grease duct products are manufactured in a strictly controlled environment that enhances product precision reliability and safety. Single wall grease duct is etl listed to ul standard 1978 grease ducts and can ulc s662. Double wall exhaust systems insulated exhaust systems made of stainless steel.
Duct requires no on site welding and is leak tested at the factory for quality assurance. 12 diameter grease duct 45 degree elbow w access. Conical kl silicone and gasket free joining push fit systems. Not only has this patented ul 2221 classified product been tested for zero clearance to combustibles it eliminates the need for a fire rated chase with its 2 hour fire rating.
Access panel included no tools required. Recommended duct sizes medium duty hood lengths 5 6 7 5. Double wall grease duct is etl listed to ul standard 1978 and ul standard 2221 grease duct enclosure assemblies. 3g grease duct systems are tested and listed to ul 1978 and ul 2221.