The AMHP-320-D Duct Mount HEPA air cleaner uses True HEPA media material that is certified to remove 99.97% of all particles as small as 0.3 microns. 

5 yr Parts Limited Warranty

5-Year Parts Limited Warranty*. *Complete warranty details available from your local dealer or at

Product Features+

  • Highly Efficient MERV 11 Prefilter removes lint and hair before they enter HEPA filter
  • Activated Carbon Prefilter removes odors to extend the life of the HEPA filter
  • Long-life, 99.97% HEPA Media Filter removes particles 0.3 micron (1/84,000 of an inch) and larger. The HEPA filter becomes more efficient as it becomes dirtier with time
  • Powerful European motor delivers 320 CFM of pure air, without adding static pressure to the HVAC system
  • Plug-in Power Cord provides convenient electrical connection
  • Versatile installation can be duct mounted, collar mounted or free-standing