| Color | : | Silver / Metallic |
| Core Material | : | Polyester |
| Flame / Smoke Rating | : | Class 1 (25/50) |
| Inside Diameter | : | 16 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 | : | 0-200 F |
| Package Quantity | : | 1 |
| Product Family | : | MHP-25 Series |
| Product Type | : | Insulated Flexible Duct |
| R-Value | : | 8 |
| Shape | : | Round |
The MHP-25 Series is a UL 181 Class 1 flexible air duct designed for use in low to medium pressure supply and return HVAC systems. Its multi-layer construction, featuring a tough inner core, fiberglass insulation, and a durable outer vapor barrier, ensures reliable airflow and thermal efficiency. Certified for R-8 thermal resistance, this duct is suitable for applications where maintaining air temperature and preventing condensation is critical. It meets the requirements of most model codes, including NFPA 90A and 90B, making it a dependable choice for residential and commercial installations.