Honeywell HFR-11 Pure HEPA Permanent Replacement Filter  

• Manufacturer  Honeywell
• Release Date   9/15/2005 
• Part#   HRF11 
• 99.97% filter efficiency
• Contains 1 filter and 1 spacer
• Fits 10500, 10590, 17000, 50100, 20500, 20590, 20500 Honeywell units