FX-400 SF

High strength heat-welded single-ply polyurethane coated black polyester fabric duct reinforced with a spring steel wire helix & black heavy-duty external PVC wearstrip.


  • Specially designed bi-directional construction provides super air flow & excellent compressibility
  • Light weight duct ideal for commercial & residential work area heating, cement drying & event tents
  • Heavy-Duty wearstrip offers additional external abrasion & drag resistance (additional OEM colors available)
  • Moisture resistant & UV stabilized to prevent mold & mildew
  • Polyurethane coating increases puncture, abrasion & tear resistance
  • Standard with wire ropes/nylon rings & enclosed belted cuffs each end & storage straps
  • Made in the USA
  • FX-Combo, combination ducting (FX-400 SF & FX-550) available as an economical way to manage high heat

Product Specs

Inside Diameter Min: 12" Max: 36"
Temperature Low: -60° High: 400°
Length 25'

California Residents
Cancer and Reproductive Harm.