| 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 | : | 8 |
| Shape | : | Round |
| Shipping Weight | : | 1.01 lbs |
The JPL MHP-25 Series is a UL listed Class 1 flexible air duct designed for supply and return lines in residential and commercial low-to-medium pressure HVAC systems. Its multi-layer construction features an airtight inner core, a thick blanket of fiberglass insulation, and a rugged outer vapor barrier to ensure thermal efficiency and durability. Intended for indoor applications, this duct provides a reliable and code-compliant solution for air distribution.
Robust Core: Constructed with a spring steel wire helix encapsulated within a 2-ply, airtight polyester inner core for structural integrity.Thermal Efficiency: Features a thick blanket of R-8 Owens Corning fiberglass insulation to minimize thermal loss in HVAC systems.Reinforced Jacket: Sheathed in a durable, reinforced metalized polyester vapor barrier that protects the insulation from damage.Industry Certified: UL 181 listed as a Class 1 Air Duct and GREENGUARD Gold certified, meeting key standards for safety and indoor air quality.Installer Friendly: Includes a 3/8-inch oversized core to facilitate easier connections to collars and equipment.Guaranteed Quality: Backed by a 10-year limited warranty and guaranteed out-of-package length for reliable installations.