Serenity Model Chart
| Serenity QS Models: | 325 | 375 | 395 | 3500 |
| Air Watts | 550 | 600 | 640 | 1000 |
| Rec. Max Sq. Ft. | 3500 | 7000 | 12,000 | 15,000 |
| Motor Size | 5.7 | 5.7 | 7.2 | 5.7(x2) |
| Suction Power (water lift* | 138" | 140" | 137" | 124" |
| Air Flow (cfm) | 122 | 125 | 126 | 211 |
| Maximum Amps | 14.3 | 14.5 | 15.0 | 13.5 |
| Voltage | 120 | 120 | 120 | 240 |
| Dirt Capacity | 4 gal | 4 gal | 7 gal | 7 gal |
| Venting Options | Yes | Yes | Yes | Yes |
| Built-In Utility Inlet | Yes | Yes | Yes | Yes |
| Programmable Logic Controller | Yes | Yes | Yes | No |
| Self-Cleaning Filter with GORE® | Yes | Yes | Yes | Yes |
| On-Guard™ Anti-Microbial Bucket | Yes | Yes | Yes | Yes |
| Anti-Vibration Mounting System | Yes | Yes | Yes | Yes |
| Motor Venting Filter | Yes | Yes | Yes | No |