We manufacture washable furnace filters for commercial and residential HVAC systems. Our EC filters are direct replacements for NaturalAire Electrostatic Air Filters. We ship quickly and offer economical 2-day Ground freight to 90% of the continental USA.

Washable Furnace Air Filters

  • EC Series – Replaces NaturalAire 51855 Filters
  • 85% Dust Arrestance Efficiency
  • Washable and re-usable
  • Any size ships within 7 business days
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