25' Insulated Flex R4.2 Ducting/Duct - 4"

Round wire and mylar fabric shell ducting with 1" wall thickness of insulation. 

Legacy # 226600078

Features:

• R4.2 Insulated Flexible Ducting
• 25' Length
• Insulation thickness - 1"
• Internal diameter - 4"

*Sold as an Individual