| Type | Model | Rated Voltage (VDC) | Operate Voltage (VDC) | Rated Current (mA) | Rated Input (W) | Rated Speed (rpm) |
| Bottom Speed | HDF3020L-05LLB | 5 | 4.25 -5.75 | 70 | 0.35 | 4300 |
| Low Speed | HDF3020L-05LB | 5 | 4.25 -5.75 | 100 | 0.50 | 5300 |
| Low Speed | HDF3020L-12LB | 12 | 10.2 -13.8 | 40 | 0.60 | 5300 |
| Middle Speed | HDF3020L-12MB | 12 | 10.2 -13.8 | 70 | 0.84 | 7800 |
| Type | Model | Max. Airflow (m3/min) (CFM) | Max. Static Presure (mmAq) (inchAq) | Noise Level (dB(A)/m) | Weight (gr) (oz) |
| Bottom Speed | HDF3020L-05LLB | 0.039/1.4 | 1.0/0.04 | 19 | 29/1.0 |
| Low Speed | HDF3020L-05LB | 0.048/1.7 | 1.6/0.06 | 21 | 29/1.0 |
| Low Speed | HDF3020L-12LB | 0.048/1.7 | 1.6/0.06 | 21 | 29/1.0 |
| High Speed | HDF3020L-12MB | 0.070/2.5 | 3.3/0.13 | 24 | 29/1.0 |