This HEPA UV-C Intake Filter, when fitted to the air intake end of any 4" (with reducing adapter) or 6" inline fan or squirrel cage blower will disinfect and sterilize the airflow emitted. Attention tends to favor exhaust air, for both temperature and humidity concerns in the space. Seldom do people provide for an active air intake. It doesn't seem necessary because all the intake air seeps in from uncontrolled openings in the space, from under doors, around windows, and a myriad of cracks and passages along corners and walls. This is called passive air infiltration, and is due to the negative pressure created by sucking air out of the space via the exhaust fans or blowers. HVAC principles state exhausted air out must equal intake air in. Many spaces tend to set up an exhaust but not an active intake. They rely on passive infiltration to supply all of the intake air. This infiltrate air also brings in all forms of potential pests, bacteria and mold spores. That mystery spider mite infestation invaded your space via infiltrate air. The powdery mildew that all of a sudden appeared and did damage also came in via infiltrate air. If you can't trace back the source of the problem you can usually chalk it up to spore and bacteria laden infiltrate air. By installing the HEPA UV-C Intake Filter you have taken and active step in preventing and reducing the frequency of infestation and mold events in your space. Your item will be securely and discretely packed (36x8x8 box) and shipped within 48 hours of payment.
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