Description
This is a New Box of insulated Flex Ducting. The ducting is 18" in diameter and 25' long (which can be cut into shorter sections). The R Value is 4.2. Insulated flexible ductwork is easy to work with and prevents condensation problems when duct is run through unfinished spaces (attics crawls etc). The insulated jacket also provides sound-dampening benefits to reduce fan/blower noise. Thanks for looking and good luck!
Function:
Flexible ducts (also known as flex) are typically made of flexible plastic over a metal wire coil to shape a tube. They are used in (HVAC) to deliver and remove air.
Replaces Old Part #s:
1x 25' R4.2
Repair Difficulty Level:
![difficulty graph](https://cdn11.bigcommerce.com/s-90gh8trf/product_images/uploaded_images/wrench2.png)
Partial List of Units that Use This Item:
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