Yes, you may select whether you want your indoor air to battle COVID-19 successfully, assisting you in defeating it, or if you want it to boost COVID-19's role. What's up with that? If you smell mold, bacteria, mildew, viruses, poisonous insects, mites, pet dander, scents, dust, dead skin cells, pollen, spiders, fungi, or microbiological growth, what will happen?