Foil Duct, 25 ft Length, 18 in Diameter, 4 in-WC Positive, 3/4 in-WC Negative, Metalized Polyester/Polyester/Fiberglass/Scrim, Silver, R-Value: R8, 5000 fpm Velocity Rating, -20 to 140 deg F Foil Duct, 25 ft Length, 18 in Diameter, 4 in-WC Positive, 3/4 in-WC Negative, Metalized Polyester/Polyester/Fiberglass/Scrim, Silver, R-Value: R8, 5000 fpm Velocity Rating, -20 to 140 deg F
| Color | : | Silver |
| Diameter | : | 18 in |
| Length | : | 25 ft |
| Material | : | Metalized Polyester/Polyester/Fiberglass/Scrim |
| Pressure Rating | : | 4 in-WC Positive, 3/4 in-WC Negative |
| R-Value | : | R8 |
| Series | : | 30 Series |
| Temperature Rating | : | -20 to 140 deg F |
| Velocity Rating | : | 5000 fpm |
Specification Sheet