Lenox 'PureAir" electronic air filter installed 3 years ago by SunKool for $1,298. Works great...even removes cooking odors. It has a very thick (4") physical filter, 2 UV bulbs and electrostatic filter. While we don't have doctor-diagnosed allergies, we feel much better and there's way less dust. Chose this system after research and price comparison. Filters replaced annually, bulbs less often.
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