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Fan-Filter Units

Gerbig Engineering is a master distributor for Envirco fan-filter units.

Fan-Filter Sizes

24X24, 24X36, 24X42, 24X48, 48X48. All dimensions are cut narrow by 3/8 to fit into ceiling grids.


MAC 10 Original with PSC motor and MAC 10 IQ with electrically commutative motor (ECM). Both types of units are available with standard or room side replaceable (RSR) HEPA filter mounting. Units carry the Underwriters Laboratory label.

Common Options Available

  • Ultra Low Particulate Fan Filter media (ULPA)
  • Solid state speed control on Original unit. (IQ unit has adjustable speed control as standard.)
  • Room side replaceable HEPA
  • Flo-thru Florescent light
  • Powder paint
  • Metric sizes
  • Mix Box (Gerbig Engineering supplied)
  • Decoupling Box (Gerbig Engineering supplied)