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Lambro 650 / AF450UL Aluminum Flex Duct (50ft)
50' 2-PLY ALUM DUCT
- Flexible 2-ply aluminum duct
- For use as bath fan venting
- Markings each foot for easy measurement
- Fire-retardant, with max operating temperature of 250deg F
- Max air handling capacity of 4,000 FPM
- 4" dia x 50ft length
- Nonretail bulk
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