4028
| Model | Rated | Rated | Input | Rated | Maximum | Maximum | Sound |
| Voltage | Current | Power | Speed | Air Flow | Pressure | Level | |
| V | Amp | W | rpm | CFM | mmH2O | dB(A) | |
| TD4028B12LA | 12 | 0.30 | 3.60 | 12000 | 13.79 | 19.97 | 42.80 |
| TD4028B12MA | 12 | 0.65 | 7.80 | 17000 | 19.54 | 40.07 | 50.36 |
| TD4028B12HA | 12 | 1.20 | 14.40 | 20000 | 25.29 | 67.11 | 55.96 |
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