Pollutants in the air can exacerbate serious health concerns like asthmatic attacks, allergic reactions, and lung issues. PREMIERONE helps you breathe easier with its PureFlo Polarized Media Air Filters. Removes particles down to .01 micron. Superior filtration traps germs, bacteria, viruses and allergens better than Merv 11 media filters Effectiveness does not diminish over time like electronic precipitators Affordable – reasonably priced with minimal installation/labor cost 24 volts and less than 3 watts means electrical consumption is as little as $1 per year Filter media pad lifespan is 2-4 months Media pads sold in handy 3-packs Easy installation – fits into the existing furnace filter compartment Easy maintenance – simply replace fiberglass-filter pads as needed