HEPA 500 2nd Pre-Filter

• Product Details

  Improve the life of the DefendAir's HEPA filter by fitting the 2nd stage (30% efficiency) pre-filter to remove larger particulates. Change pre-filter on every job or when visibly loaded, whichever comes first.

• Features
  • Synthetic fiber filter media rated at 30% efficiency
  • Low pressure drop and superior efficiency
  • High dust-holding capacity
  • Extends life of HEPA filter element
  • Sturdy cardboard frame