Importance

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Abstract

A room air treatment system in which air is drawn through a large particle prefilter, a first carbon filter, a second dual honeycomb matrix carbon filter in which the honeycomb cells in adjacent matrices are offset relative to one another, a blower mounted on vibration isolation mounts and is expelled by the blower into a plenum from when it exits upwardly through a fine particle HEPA filter and finally out through a final filter which is a combination fine particle filter and carbon filter. A filter change warning system is provided which includes a 3500 hour filter change indicator, an every 7000 hour filter change indictor, a back-up warning indicator, a mute button for muting the warning indicator and a recycle system for restarting the hour count.

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First Claim