Mike and I have two Gracie. One is quite old, but has a two part filtration system....an outer charcoal filter and an inner HEPA filter....an Enviracare. It's quite old, and quite noisy, but works well. Our newer one, a Therapure, is a quiet upright filter with an ultraviolet light. Our bedroom end of the house is SURROUNDED with bottlebrush bushes and all are abloom right now. The filters seem to help, but Mike still takes an antihistimine.
The old filter works the best....we've changed many a charcoal filter over the years....the HEPA filter, though quite expensive lasted for many years. A new one is currently in place, but finding replacements, hepa and charcoal gets a little more difficult as time goes by. We bought both as Costco.
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