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S-Ld Thermaflex Flexible Hvac Ducts

S-Ld Thermaflex Flexible Hvac Ducts

Thermaflex S-LD, non-insulated flex ducts are an economical alternative where insulated ducts are not required.
Spiral ducts are used for low, medium heating and cooling systems. These HVAC ducts feature a reinforced metal film laminate jacket that is bonded to a corrosion resistant steel wire coil for secure air sealing. Spiral ducts will not unravel when cut and have a self-extinguishing inner core that will not support flames. Temperature range is from -20F to 250F. Ducts measure 3-14” in diameter. Greenguard certified. 10 Year Limited Warranty.


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