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As a first step to assess the safety of DIY air cleaners, UL tested five models of box fans with clean filters, as well as with filters loaded with smoke and dust provided by EPA

Its safer to use bathroom exhaust fans or to simply keep bathroom doors open to let the air equalize with the humidity in the rest of the home

Specifications Product Category: Air Purifier Function: smoke and dust removal Power mode: USB Control method: push-button Application area: 11 -20 Applicable places: indoor Filter type: composite filter Working principle: negative ion Air purifier air volume: 50 cubic meters/hour Noise: 45 (dB) Color: white Effect: In addition to odor and smoke Package Included 1 * air purifier

Dimensions: 1335 x 2019 px | 22.6 x 34.2 cm | 8.9 x 13.5 inches | 150dpi Date taken: 4 April 2018 Photographer: WENN More information: This image could have imperfections as its either historical or reportage.