HEPA filters capture 99.97% of all dust and particles as small as 0.3 micron (1 human hair = 150 microns). They can help reduce allergy symptoms, asthma, recurring colds and persistent coughs. In fact, HEPA filters are so effective, they are used in hospital operating rooms.
HEPA Replacement filters fit Broan HEPA 1000, 2000, 3000, 3100, 4000 and 4100 and HRV 2500 and 2600 whole-house ventilation systems. Includes one HEPA and 2 prefilters. Replace the HEPA once a year and the prefilter every 6 months.
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