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4" Insulated Flex Duct (two 42" sections) - ID4
Majestic$87.00ID4 is a 4 Inch Insulated Flex Duct for Outside Air. This includes two 42 Inch Sections. This is a genuine manufacturer part from Hearth & Home Technologies. For Heatilator Models: Accelerator A36C Accelerator A36CH Accelerator A36R Accelerator... -
6" Insulated Flex Duct (two 42" sections) - ID6
Majestic$100.00ID6 is a 6 Inch Insulated Flex Duct for use with an Outside Air Kit. This flex duct includes two 42 inch sections. This is a genuine manufacturer part from Hearth and Home Technologies. For Majestic Models: Ashland ASH36 Ashland ASH42 Ashland ASH50... -
6" Uninsulated Flex Duct (two 42" sections) - UD6
Majestic$71.00UD6 is a 6 Inch Uninsulated Flex Duct for use with the Outside Air Kit. This includes two 42 Inch sections. This is a genuine manufacturer part Hearth & Home Technologies venting component. For Majestic Models: Ashland ASH36 Ashland ASH42 Ashland... -
6" x 25' Aluminum Flex Liner - DB625
National Chimney$289.43DB625 is a 6 inch by 25 feet aluminum flex liner that can be attached to an outside air adapter. Insulation and silicone are sold separately - part #s 8TC070-6X25 and SIL500 Genuine OEM part