| Length (Feet): | 25' |
|---|---|
| Diameter (Inches): | 16" |
| R-Value: | 8 |
| Features: | Insulated |
| Core Type: | Spunbound Nylon Fabric |
The maximum specs are listed here : Maximum Rated Velocity: 27.9 m/s (5500 fpm) Maximum Positive Pressure: 1.5 kPa (6 in. WC) Maximum Negative Pressure: 1.25 kPa (5 in. WC)
The R4.2 is a 6" outer diameter, and the R6 is a 6.5" outer diameter.