21293Replacement HEPA filter for HRV 7.1 HEPA air exchanger

  • Overview
  • Specifications
  • Where To Buy
    • Compatible with the air exchanger HRV 7.1 HEPA only
    • Using an HEPA filter means the best indoor air quality
    • High performance filter also intercepts bacterial particles with viral potential
    • Captures 99.97% of allergens and other microscopic particles as small as 0.3 micron (1 hair = 150 microns), including smoke, dust and smog
    • Its antimicrobial protection inhibits the growth of bacteria causing odors
    • Can help reduce the symptoms of allergies, asthma and other respiratory problems
    • The HEPA filter box also contains two prefilters
    • Prefilters can be purchased separately as needed