Hart & Cooley® Insulated Flexible Air Duct, F214 Series, 25 ft Length, 3 in Diameter, -3/4 to 12 in-WC, Metalized Polyester, Black, 5000 fpm Flow Rate, R-Value: R4.2, -20 to 140 deg F, 0.04 perm Vapor Transmission
| Series | : | F214 Series |
| Length | : | 25 ft |
| Diameter | : | 3 in |
| Pressure Rating | : | -3/4 to 12 in-WC |
| Material | : | Metalized Polyester |
| Finish | : | Black |
| Flow Rate | : | 5000 fpm |
| R-Value | : | R4.2 |
| Temperature Rating | : | -20 to 140 deg F |
| Vapor Transmission | : | 0.04 perm |