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Proprietary HEPA Rx filter that capture 99.998%* of airborne particles down to 0.1 microns.

Ideal Warehouse Onyx HEPA Rx Filter, 4-1/2&quot; x 7&quot; x 16&quot;, Blue

Ideal Warehouse ONYX Wall-Mounted Air Purification System

onyx-hepa-rx-filter-4-1-2-inch-x-7-inch-x-16-inch-blue

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