DefendAir HEPA 500 2nd Stage Pre-Filter

• Product Details

  Second stage HEPA 500 MERV 8 pre-filter. Captures finer particles to help extend the life of the HEPA filter. Synthetic fiber filter media rated at 30% efficiency. Sturdy frame won't “blow out” under heavy use.

• 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