Flexaust Springflex® FX-400 Portable Heater Duct is a urethane coated
polyester blower hose featuring closely sewn flap construction and a smooth
interior for optimum airflow. Ideal for use at construction sites during
cold weather, this temporary heater duct has a belted cuff for easy
attachment to the heater and a safety orange wear strip for drag resistance.
Moisture resistant and UV stabilized to prevent mold and mildew, Flexaust
Springflex® FX-400 Portable Heater Duct operates from -60°F to 400°F and is
flame retardant per ASTMD6413. Offered in 12” to 24” I.D. sizes and
standard 25 ft. lengths in black with a safety orange wear strip, this
temporary heater duct is available with a variety of end finishes.
Flexhaust Springflex®FX-500 High strength sewn single-ply heavy duty silicone coated silver fiberglass fabric hose reinforced with a spring steel wire helix & black external wearstrip.Sewn construction allows for better performance in lower & higher temperatures.
Sewing process creates a more consistent construction allowing better air flow compared to other sewn hoses,Light weight duct designed for higher temperature portable/temporary heating & dehumidification applications,Great compressibilty,Flexible heater ducting able to withstand higher temperatures & maintain flexibility in cold weather conditions, Wearstrip offers additional external abrasion & drag resistance, Moisture resistant & UV stabilized to prevent mold & mildew, Great puncture resistance & high tear strength,Flame retardant to UL 94V-0,Ideal heater duct for cold weather construction and oil & gas sites