| Color | : | Black |
| Core Material | : | Polyester |
| Flame / Smoke Rating | : | Class 1 (25/50) |
| Inside Diameter | : | 14 in |
| Insulated | : | Yes |
| Jacket Material | : | Black Polyethylene |
| 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 | : | PR-25 Series |
| Product Type | : | Insulated Flexible Duct |
| R-Value | : | 8 |
| Shape | : | Round |
The PR-25 Series flexible air duct is a UL-listed Class 1 solution designed for supply and return air applications in low to medium pressure HVAC systems. It provides a reliable and efficient means of air distribution for both residential and commercial projects.This duct is constructed with a durable, black polyethylene vapor barrier that protects the fiberglass insulation layer. Inside, an airtight inner core ensures efficient airflow, delivering consistent performance that meets major building codes.
