Over 30 horsepower and standard 46 gallon capacity make the 3997 and 3997W suitable for heaviest industrial applications, either as a portable unit, integrated with process machinery, or to power a central vacuum system. 

• 'Continuous duty, 23 kW two-stage side channel blower
• 175 liter steel container with sight glass
• Complete electrical panel
• Phase indicator / inverter
• Manual filter shaker
• Manometer
• Container with casters and handle
• Standard 100mm inlet
• 120mm inlet when equipped with cartridge kit