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| Air Flow | 130 CFM (61 ltr/sec.) |
| Cord Length | 26 ft. |
| Canister Volume (gross) | 13.3 gal. |
| Canister Volume (net) | 11.35 gal. |
| No. of Filter Cartridges | 2 |
| Filter Cartridge Surface Area (Ea.) | 4300 cm2 |
| Total Filter Surface Area | 8600 cm2 |
| Engineering No. | 0601989139 |
| Static Water Lift | 100 in. |
| Voltage | 120V |
| Hose Port Inside Dia. | 2-1/4 in. |
| Vacuum Suction Pressure | 248 millibars |
| Weight | 42.2 lbs. with handle |
| Dust Bage Volume (net) | 5.5 gal. |
| Frequency | 50-60 Hz |
| Max Motor HP | 6.5 |
| Sound Pressure Level | 69 db |
| Max Sustained Amp Draw | 27.2 A |
| Hose Length | 9.85 ft. |
| Filtration Capability | with option HEPA filters - 99.997% of 0.3 microns and larger in dia. |
| No Power Tool Connected | Rating - 11.1 A |
| Power Tool Connected | Rating - 12.0 to 4.8 A |
Comments about Bosch Tools Airsweep™ 13 Gallon Wet/Dry Vacuum Cleaner with Pulse-Clean™ - 3931:
I got an account cleaning a place that manufactures powder color additives for concrete. It hadn't been cleaned in 3 years. There was powder, dust and debris everywhere. I tried a different shop vac and found I had to stop every 3 minutes or so to shake out the filter. I ultimately gave up and went home. I knew I needed something powerful and effecient or I wouldn't be able to do the job. The Bosch 3931A is everything I had hoped and more. It has powerful suction which picks up everything, and the self shaking filter means I only have to stop periodically for a few seconds and keep going. The handle at the back makes it easy to push from one place to another, so you don't have to tug on the hose. Highly recommended.