The TRIO portable room allergy air purification system includes multi-stage filtration and PRO-Cell Technology odor and VOC reduction. The TRIO room purifier includes four stages of filtration to ensure your air is clean. The pre-filter collects particles as small as 5.0 microns*, while two layers of charcoal activated filters remove odors and smoke. The final stage of filtration is a High Efficiency filter that traps tiny microscopic particles as small as 0.3 microns such as dust, dander, and pollen.
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