4 Inch Insulated Flexible Duct 25 FT, R4 HVAC Flex Duct with Black Jacket, Owens Corning Fiberglass Insulation, Aluminum Foil Core for Ventilation & Exhaust

★★★★★ 4.8 45 reviews

$45.99
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$45.99
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Free shipping Free 30-day returns

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Product details

Management number 213614730 Release Date 2026/04/12 List Price $18.40 Model Number 213614730
Category
  • 1) R4 Insulated Flex Duct (4 Inch x 25 Feet) Designed for HVAC and ventilation runs where insulation is needed. Helps reduce temperature loss and improves airflow efficiency through unconditioned spaces.
  • 2) Premium 3-Layer Construction Built with a tough black PE outer jacket, Owens Corning fiberglass insulation, and a reinforced aluminum foil inner core for durability and stable performance.
  • 3) Helps Reduce Condensation Insulation helps limit condensation buildup in attics, crawl spaces, basements, and garages—ideal for areas with temperature differences.
  • 4) Flexible & Easy to Work With Lightweight and highly flexible for tight spaces. Cut to length with standard tools and connect easily to duct fittings, clamps, or duct tape.
  • 5) For HVAC, Bathroom Fans & General Ventilation Great for bathroom exhaust fans, HVAC supply/return duct runs, and general-purpose ventilation in residential and light commercial projects.

Coverage 1 square foot
Brand Name Cuchiilo
Manufacturer Cuchiilo
Material Type Fiberglass
Item Dimensions L x W 4"W
Recommended Uses For Product HVAC ductwork, ventilation, attics, crawl spaces, basements, garages, bathroom exhaust fans, general-purpose ventilation

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4.8 out of 5
★★★★★
45 ratings | 18 reviews
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