6" X 25' Foil Flex Duct

05502506 Hart & Cooley Flexible Aluminum Foil Duct

The Hart & Cooley 05502506 Flexible Aluminum Foil Duct is manufactured for professional HVAC applications requiring all-metal ductwork in compliance with mechanical code specifications. Designed for use in air distribution, exhaust, and ventilation systems, this uninsulated duct provides both flexibility and structural integrity. The multi-ply aluminum foil construction offers high heat resistance, durability, and reliable performance in environments where non-combustible ducting is required.

Technical Specifications

• Manufacturer: Hart & Cooley
• Model Number: 05502506
• Type: Flexible Aluminum Foil Duct (Uninsulated)
• Diameter: 6 inches
• Length: 25 feet
• Material: Multi-ply Aluminum / Aluminum Foil Laminate
• Thermal Performance: R6.0 Equivalent (Foil Construction)
• Maximum Operating Temperature: 250°F (121°C)
• Maximum Air Velocity: 5000 FPM (typical HVAC design condition)
• Static Pressure Rating: 10" W.G. positive / 1" W.G. negative
• Certification: UL 181 Class 1 Air Duct (F216 Rated)
• Color: Metallic Aluminum
• Application: HVAC air supply, return, and exhaust systems where building codes require all-aluminum duct construction

Professional Notes

The Hart & Cooley 05502506 duct is designed for use by licensed HVAC professionals. Its all-aluminum foil laminate construction allows for ease of installation in tight or offset routing configurations while maintaining airflow efficiency and non-combustible performance. Proper mechanical fastening and sealing in accordance with SMACNA guidelines and local mechanical codes are required. This duct is suitable for exposed or accessible installations; it is not intended for concealed plenum or dryer vent use unless specifically permitted by code.

Summary

The Hart & Cooley 05502506 (F216) 6" x 25' Flexible Aluminum Foil Duct delivers a durable, code-compliant solution for professional HVAC installations. Engineered for applications requiring all-aluminum ducting, it offers a 250°F operating temperature rating, UL 181 Class 1 certification, and long-term reliability in air distribution and exhaust systems.