Part Number: AC02092
eFireplaceStore Item Number: SBI-AC02092
There is no company like SBI that provides an absolutely comprehensive set of materials for your home, especially when it comes to heating appliance solutions. This Flex Duct is no exception. SBI's 3" Dia. x 10' L (approximate) insulated flex duct provides all the flexibility and durability you need to complete your high quality SBI installation. Use this insulated flex duct as an integrated solution for your heating appliance needs, whether it be for home or business applications.
Is this 3" inside dimension or outside dimension?