7" x 25' Silver Jacket Flex Duct, R8

The JP Lamborn MHP25R8B-07 flexible air duct is manufactured for HVAC professionals requiring R8 insulated ducting with high thermal performance and mechanical durability. Designed for residential and light commercial air distribution systems, this duct features a reinforced metalized polyethylene core, fiberglass insulation, and a silver vapor barrier jacket for superior moisture resistance and air sealing. It provides consistent airflow performance under standard system pressure and velocity conditions.

Details

• Model: MHP25R8B-07
• Manufacturer: JP Lamborn
• Equivalent Product: Hart & Cooley F118 Flexible Air Duct
• Product Type: Insulated Flexible Air Duct
• Insulation Rating: R8
• Jacket Material: Silver vapor barrier, reinforced for puncture resistance and moisture protection
• Core Construction: Metalized polyethylene inner core, reinforced and bonded with a corrosion-resistant steel wire helix
• Inside Diameter: 7 inches
• Length: 25 feet
• Maximum Air Velocity: 5000 FPM
• Temperature Range: -20°F to 140°F (-29°C to 60°C)
• Pressure Rating: Suitable for standard residential static pressure systems
• Application: Supply and return air distribution for residential and light commercial HVAC installations
• Compliance: UL 181 Class 1 Air Duct, NFPA 90A/90B, ASTM E84 Flame and Smoke; GREENGUARD Certified
• Part Number: 2036772

Summary

The JP Lamborn MHP25R8B-07 R8 insulated flexible duct provides HVAC contractors with a durable, UL 181-compliant air distribution component featuring a reinforced metalized polyethylene core and silver vapor barrier jacket. Engineered for energy efficiency and mechanical reliability, it ensures optimal airflow and insulation performance in residential and light commercial HVAC systems.