Free standard shipping on eligible US orders $500+

5″ x 25′ R6 Insulated Flex Duct Black Jacket HVAC Air Duct

SKU: 5in.X25ft.R6 BLACK BAG

$72.72

Only 2 left in stock

Same-item volume pricing
QuantityUnit priceSaving
1–4$72.720%
5–9$69.085%
10+$65.4510%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order: 2.

Bulk quantity & quote

Enter the total quantity you need. We will confirm availability and a quote before you order.

Request this quantity →

Overview

This 5″ x 25′ R6 Insulated Flexible HVAC Duct features a durable black polyethylene outer jacket and a double laminated polyester inner core reinforced with an encapsulated steel wire helix.

Designed for residential and light commercial HVAC systems, this insulated flex duct helps reduce energy loss while maintaining airflow efficiency.

Key Features:

✔ 5-inch inner diameter

✔ 25-foot continuous length

✔ R-6 insulation for improved thermal performance

✔ Seamless black polyethylene outer jacket

✔ Double laminated inner core

✔ Reinforced encapsulated wire helix

✔ Flexible for easy routing around obstacles

Ideal For:

  • Supply air runs

  • Return air ducts

  • Attic installations

  • Energy-efficient HVAC systems

  • New construction or retrofit projects

The R6 insulation rating makes it suitable for unconditioned spaces such as attics, crawlspaces, and garages.

Product details

Part / SKU 5in.X25ft.R6 BLACK BAG

Package includes

  • 5" x 25' R6 Insulated Flex Duct Black Jacket HVAC Air Duct

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Explore related products

More products in this category. Compare specifications and fit for your application.