Air cleaner and vacuum certification are industry-created labels. The certification doesn’t come from a third party. Despite the possibility for bias, I observed that certfied air cleaners were good machines. The certified vacuum cleaners were a mixed lot of good and not as good machines.
Low blood oxygen (hypoxemia) is a significant indicator of COVID-19 infection. These pulse oximeters can be your safety net to monitor for infection. If oxygen gets low, consider seeking medical help. This is even more important if you have a fever.
The Mooka True Hepa+ Air Purifier is the best air purifier for medium size rooms up to 540 sf. This is the air purifier that eliminates viruses, bacteria, pollen, pet dander, pet allergens, mold, smoke, and odors.