Product view
Product in context
| AIR FLOW - PRESSURE DROP - Rw | |||||
| SOTTO Size | Hole in wall (in) | 0.04 inWC cfm | 0.06 inWC cfm | 0.08 inWC cfm | Rw=Dn,ew (dB) |
| 80-100 | 3.1 | 30 | 36 | 40 | 55 |
| 80-100 | 3.9 | 34 | 40 | 49 | 55 |
| 125-160 | 4.9 | 44 | 53 | 61 | 51 |
| 125-160 | 6.3 | 49 | 57 | 66 | 51 |
| The data applies to installation in a 4 in thick studded wall with a 108 sq ft transmission area. One transfer diffuser on each side of the wall. | |||||