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In production for over 40 years with hundreds of thousands in use worldwide, the Unimaster® collector’s compact design and quiet operation is an industry success. Yet, Donaldson Torit® is continually improving the Unimaster to ensure that it provides efficient, trouble-free service. ​

A self-contained collector with everything needed to begin collecting dust, the Unimaster comes complete with fan and fan motor, automatic shaker and shaker motor, and system controller making installation quick and easy. Since the automatic shaker cleans the bag filters, there is no need for expensive compressed air. Ideal for intermittent operations in plant processes, the Unimaster can be used as a central system or at the point of dust generation.

  • Compact Design
    Minimizes floor space and fits in virtually any plant layout.
  • Versatility
    Three configurations to suit a variety of dust collection applications.

  • Broad Range
    Offering maximum air handling capacity in a compact design, the Unimaster offers filtration media area from 3.7 to 69.7 m2 / 40 to 750 ft2.

  • Quiet & Efficient Operation
    Motors and fan are enclosed in collector housing to minimize noise.

  • Easy Maintenance

See Baghouse Filters >>

Collector Design Standard Optional
Integral Fan and Fan Motor*  

Integral Shaker Motor*

Acoustic Diffuser Silencer (70-750)  
Acoustic Diffuser Silencer (40)  
Caster Pack  
Weatherhood (weather bend) Roof  
Various Inlet Locations  


Bag Filters Standard Optional
226.8 g / 8 oz Polyester One-Piece Bag Filters  

Anti-Static Bag Filters

Variety of Bag Media Options  


Paint System Standard Optional
Textured Multi-Coat Paint Finish with 2,000-Hour Salt Spray Performance  

Meets 350-Hour Spray Corrosion Protection Test

Custom Color  


Hopper Discharge Standard Optional
Bin Base with Quick Release Lever  
208.2 L / 55 gal Drum Base
Bin Vent Base  


Electrical Controls, Gauges and Enclosures Standard Optional
Push-Button Controls  
Solid-State Timer in Type (NEMA /UL) 12 Enclosure  
Motor Starter  
Magnehelic** Gauge  


Saftey Features Standard Optional
Explosion Vents  
Sprinkler Taps  


Warranty Standard Optional
10-Year Warranty  
*All 60 Hz motors 1 HP and above are compliant with EISA.
**Magnehelic is a registered trademark of Dwyer Instruments, Inc.

Perforated Inlet Deflector
Knocks down larger particles into the hopper reducing bag abrasion and increasing bag filter life.

Quick-Release Lever
Allows for easy removal and maintenance of bin.

Heavy-Duty Flexible Metal Coils
Inserted into filter bags keeps bags open to maximize airflow and assist in knocking dust off during cleaning cycle.

Bag-Release Levers
Allow for easy removal of bags.