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