Builder's Best 110224 UL 181 Flexible Foil Ventilation Duct, 4" x 8'
- Metalized Polyester Foil
- UL 181, Class 1 air connector label
- Steel wire support
- Airtight construction and smooth inner core
- Tear and puncture resistant
WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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