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Honeywell-Honeywell Insight™ HEPA Air Purifier is extremely easy to use. It has an illuminated display. 
That shows all the functions. 
It uses a multi-level filter. It had activated carbon pre-filter and an enhanced odor filter. 
We have 4 dogs and 1 cat. I'm extremely pleased with how well it cleans the air.
It's designed for a room of a 190 sq feet