| Unit of measurement | TT 150 | ||
| Speed | - | 1 | 2 |
| Connected air duct size | in | 6” | |
| Minimum supply voltage | V | 120 | |
| Maximum supply voltage | V | 120 | |
| Power supply frequency | Hz | 60 | |
| Rated power | W | 28 | 55 |
| Maximum unit current | A | 0.23 | 0.46 |
| Maximum performance @0.2" | CFM | 70 | 210 |
| Sound level | Sones | 1.5 | 3.5 |
| Impeller material | - | Plastic | |