| X-tra 250 LSM | X-tra 550 LSM | |
| Ultrasonic Frequency (kHz) | 25/45 | 25/45 | 
| Power Consumption Total (W) | 1100 | 1700 | 
| Mains Voltage (Vac) | 220-240 | 220-240 | 
| Unit Outer Dimensions W/D/H (mm) | 495/667/566 | 495/835/566 | 
| Tank Inner Dimensions W/D/H (mm) | 347/331/250 | 347/502/360 | 
| Tank Capacity (l) | 28.0 | 60.0 |