Outdoor Research Essential Filter

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Outdoor Research Essential Filter -- Protect yourself and others the next time you leave home with the Essential Mask Filter. The Essential Mask Filter is designed to be worn with OR's Protective Essentials line of products for high filtration efficiency to reduce contamination when in crowded areas.
SizingLarge: Fits Face Mask & Adrenaline Face Mask
Medium: Fits Small/Kids' Masks, Essential Lightweight Ubertube, Midweight Ubertube, Balaclava, or Bandana
  • Filters greater than 95% of virus, bacteria, and particles in accordance with ASTM test standards
  • Reduces the risk of contaminant transmission by utilizing very high filtration efficiency when used in conjunction with a mask
  • Made in the USA
  • Breathable & Non-Irritating
Outdoor Research