But before getting to the HEPA filter, air has to pass through the thin charcoal filter first
In case I can’t get out to run errands when I’m working overtime, I try to keep all of our essentials stocked up. In the event that I run out of paper towels or laundry detergent, I want to believe that I have more in a closet or cabinet anywhere in our house. This is identifiably important if your region gets hit with drastic weather where you could lose your power for afternoons or weeks at a time. You should have candles, flashlights, non-perishable food products, first aid supplies, water, plus other essentials in the event of a long loss of power. I even keep bulk quantities of things enjoy duster pads, vacuum bags, plus upgradeable filters for our cooling system plus air cleaners. The cooling system filters need to be upgraded every more than three to twelve weeks depending on your weather conditions, indoor cleanliness, plus how often the Heating plus A/C method runs throughout the day. I always have a bulk pack of cooling system filters, but I also enjoy to keep air cleaner filters around as well. My air cleaners come with more than one separate filters that are stacked against 1 another. The main filter is the harshly dense HEPA that pulls out 99% of all airborne particles. But before getting to the HEPA filter, air has to pass through the thin charcoal filter first. These are cheap plus self-explanatory to upgrade plus will keep the HEPA filter cleaner for longer periods of time if you swap them out officially. That’s why I always have a pack of the charcoal filters on hand; that way our HEPA filters last as long as they possibly can.
find more info here