HeatStar 12" Dia. Flexible Heat Duct For Indirect Heaters, 25'L,

Steel wire reinforced industrial ducting designed to perform -60 to 280°F intermittently. Fabric is flame resistant in accordance with UL94VTM-O testing methods. White with white heavy duty PVC wear strip, 6" pitch. Soft cuff with integral screw clamp entry end and wire rope coupling exit end. Integrated screw clamp sewn into the entrance end (only) of each duct. Entrance end of each duct is 2" oversize for easy installation on heater or adapter. For use with AR250 (DG250 heater). Duct has a silicone lining. This product is made in USA.

Thermaflex M-KE HVAC ducts have a vinyl coated spring steel wire coil construction that is ideal for low, medium pressure heating and cooling environments. These highly efficient flex ducts feature a core that is bonded to the steel wire coil to support the fiberglass insulation. Duct insulation is available in three different R-values for varied thickness: R-4.2, R-6.0 and R-8.0. The acoustically rated, polyethylene inner liner on these HVAC ducts eliminates noise and easily expands. Spiral ducts are mold and mildew resistant. Temperature range is from -20F to 200F and -20F to 250F ...

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