DefendAir HEPA 500 1st Stage Pre-Filter

• Product Details

  First stage HEPA 500 MERV 4 pre-filter. Synthetic fiber filter media rated at 10% efficiency. Captures the largest particles to help extend the life of the higher efficiency filters inside.

• Specifications
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• Features
  • Synthetic fiber filter media rated at 10% efficiency
  • Low pressure drop and superior efficiency
  • High dust-holding capacity
  • Extends life of HEPA filter element
  • Sturdy cardboard frame