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Flex Duct/ 18″ x 25′ with Heavy Duty Wearstrip/ 4″ Pitch


Out of stock

SKU: NTI TUB-VA 18 Category:


Colors available- White, yellow, red, blue, green The ideal Heavy DutyFlex Ducting for use with Desiccant Dehumidifiers in the restoration industry!

A strong, durable, lightweighT ducting product,is both portable, flexible, compressible and retractable down to 1/7th of its fully extended length depending on the pitch and fabric selected. The encased steel-wire helix construction prevents collapsing and crushing of the duct, while remaining resistant to abrasion, fatigue and deterioration from weather and chemical influences. Insulated EnviroDuct is constructed from an 20 oz./sq. yard polyester reinforced flame resistant PVC fabric on the outside with 1/4″ Closed Cell Foam insulation and 14 oz. /sq. yard PVC Fabric on the inside. All of the VentaTex fabrics are flame resistant in accordance with the UL94VTM-O Testing Methods.


  • For use in Temporary/Permanent Installations
  • General Purpose Blower Hose
  • Ventilation / Fumigating
  • Dehumidification
  • Heating, Drying & Cooling
  • Dust & Fume Collection
  • PCA (Pre-Conditioned Air Handling)


  • Part No ENV 1399 Color:
  • Yellow (Other colors Black, Red, Green, Blue and White are available upon request.)
  • Length: 15 feet and 25 feet (4.6m – 7.6m) (Custom lenghts available upon request.)
  • Diameters: 6″ to 48″ (152 mm – 1,219 mm) (Larger diameters available upon request.)
  • Temperature Range: – 20 F. to 200 F. (- 29 C. to 88 C.)
  • Pitch and Diameter 6″ & 7″ dia. 3″ (7.6cm) 8″ & larger dia. 4″ (10cm)

    Wider or narrower pitch options are available depending on the pressure requirements. End Finish: Standard plain. Options: Available with optional HD flame-resistant wearstrip

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