HEPA filters capture 99% or better of particles sized 1.0 micron and larger, and 99.97% of particles in the 0.3 – 1.0 micron range. MERV 13 filters are often used in commercial and industrial settings, while HEPA filters are often used in hospitals and other medical settings. MERV 13 filters are less expensive than HEPA filters, and they can

Generally speaking, air purifier filters aren’t expensive. Most are around $25, $35, or sometimes $50, so it depends on what you consider to be “expensive.”. The basic facts are: Standard budget or mid-priced model replacement filters normally have a pre-filter and HEPA filter, costing about $15-$25 or so depending.

On the other hand, replacing a carbon-activated filter costs you about $50 and you need to do it every 3 months. The maintenance costs can vary depending on the specific brand, model, and usage patterns of both devices. But as a whole, an ionic air purifier is going to be about 2 times cheaper. Winner: Ionizer is easy for the purse.

^{True HEPA filter (99.98% efficiency for particles down to 0.2 microns) that targets tiny particles. Activated Carbon filter: it is built-in into the HEPA-filter and has a honeycomb-type layer with activated carbon pellets to reduce household odors (smoke, kitchen smells, pets, etc.). What immediately caught my eyes is the lack of a pre-filter.} . 671 796 702 890 448 251 185 98

nano filter vs hepa filter