| Color | : | Silver / Metallic |
| Core Material | : | Polyester |
| Flame / Smoke Rating | : | Class 1 |
| Inside Diameter | : | 12 in |
| Insulated | : | Yes |
| Jacket Material | : | Metalized Polyester |
| Length | : | 25 ft |
| Maximum Air Velocity | : | 5,000 FPM |
| Maximum Working Pressure | : | 6 in w.c. |
| Operating Temperature Rating | : | -20-140 F |
| Package Quantity | : | 1 |
| Product Family | : | MHP-25 Series |
| Product Type | : | Insulated Flexible Duct |
| R-Value | : | 6 |
| Shape | : | Round |
The MHP-25 Series is a UL listed Class 1 flexible air duct designed for supply and return applications in low to medium pressure residential and commercial HVAC systems. Its multi-layer construction ensures durability and reliable airflow for indoor installations.This 25-foot section is constructed with a tough, airtight inner core, a layer of R-6 fiberglass insulation, and a reinforced, metalized vapor barrier. This design provides excellent thermal performance while meeting stringent flame and smoke development standards.
Durable Construction: Built with a spring steel wire helix encapsulated in a 2-ply, air-tight polyester inner core for long-lasting performance.Superior Insulation: Features high-quality, formaldehyde-free Owens Corning fiberglass insulation to ensure thermal efficiency.Protective Vapor Barrier: Surrounded by a unique, 2-ply reinforced metalized polyester vapor barrier to prevent moisture intrusion.Certified Performance: UL 181 listed as a Class 1 Air Duct and GREENGUARD Gold certified for low chemical emissions.Industry Compliant: Meets the requirements of NFPA 90A and 90B, UMC, and IMC, making it suitable for a wide range of installations.10-Year Warranty: Backed by a 10-year limited warranty against defects in materials and workmanship.