4 Inch Insulated Flexible Duct 25 FT, R4 HVAC Flex Duct Black Jacket, Owens Corning Fiberglass, Ventilation
$56.99
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$56.99
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by zurich-lapalma.com
Free 30-day returns Details
Product details
| Management number | 230961426 | Release Date | 2026/06/18 | List Price | $22.80 | Model Number | 230961426 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
This R4 insulated flex duct is designed for HVAC and ventilation applications where temperature loss and condensation are concerns.
- R4 insulated flex duct (4"×25') – reduces temperature loss and improves airflow efficiency in unconditioned spaces.
- 3‑layer: black PE outer jacket, Owens Corning fiberglass insulation, reinforced aluminum foil inner core – durable and stable.
- Insulation limits condensation in attics, crawl spaces, basements, garages – ideal for areas with temperature differences.
- Lightweight, highly flexible for tight spaces; cut to length with standard tools; connect to duct fittings, clamps, or tape.
- For bathroom exhaust fans, HVAC supply/return runs, general ventilation in residential and light commercial projects.
| Duct size | 4 in |
|---|---|
| Material | Fiberglass |
| Ducting type | Round Duct |
| Brand | YUNZII |
| Size | 4 x 25 |
| Weight | 5.6 lb |
| Accessories | black PE outer jacket |
| Color | Black |
| Has written warranty | No |
| Model | 4-25 |
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