The QDB 300 fan is especially designed to exhaust the air of a combination of bathrooms. It is equipped with squirrel cage impeller. The QDB 300 has a low speed motor for extra quiet function. It is available in 2 and 3 inlets. (refer to brochure for CFM values for 3 inlets.
| Motor | CFM @ SP | Sone at grille | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RPM | AMPs | 0.00 | 0.05 | 0.10 | 0.15 | 0.20 | 0.25 | 0.30 | 0.35 | 0.40 | 0.45 | 0.50 | |
| 1050 | 3.00 | 250 | 238 | 225 | 210 | 195 | 178 | 160 | 135 | 110 | 90 | 70 | 2.0 |