When looking for the Best Air Purifier, or more specifically the Best Ionic Air Purifier, people probably want a large room air purifier, and the Fellowes Aeramax 300 may be that purifier. It\u2019s also a portable air purifier that is both quiet and more durable in addition to having a HEPA filter.\r\n\r\nWhy We Like It - Aeramax 300\r\nThe Aeramax 300 has 4 fan speeds, a filter indicator, and is a quiet purifier with an HEPA filter. It\u2019s great for people who suffer from asthma with the various types of contaminants the air purifier can capture, and it\u2019s a portable air purifier with mostly positive air purifier reviews.\r\n\r\nPower\/speed\r\nAlong with an Ionizer, it relies on two filters: A true HEPA filter and a carbon filter, unlike the Envion Ionic Pro purifier, which doesn\u2019t have a carbon filter. Both capture airborne particles, but the HEPA filter has a 4-stage filtration process that captures an impressive amount of different types of contaminants while the carbon filter reduces odors. The fan speed has 4 settings and can be automatically adjusted.\r\nEfficiency(room size etc.)\r\nThe air purifier has a decent area coverage, as it has an area coverage of 300 square feet at the least and 600 square feet at the most, less in comparison to the Silveronyx air purifier with true hepa filter, which has an area coverage of 500 square feet. The Aeramax can be used for large rooms, but if the room is too large, the air purification process wouldn\u2019t be as effective and would take more time to completely improve the air quality.\r\nVersatility (HEPA, what does it filter, odor reduction etc.)\r\nSince it has a true HEPA filter, it has the ability to filter through a variety of air contaminants. It captures pollen, cigarette smoke, dust mites, ragweed, mold spores, germs, various allergens, and viruses. What makes AeraMax air purifiers stand out is how they offer something called the Aerasafe antimicrobial treatment, which is the ability to use two different types of filters at the same time while aiding in preventing odor caused by contaminants caused by fungi and bacteria.\r\nDurability\r\nThis air purifier is a little heavier, as it weighs 12.5 Lbs., weighing more that the Pure Enrichment air purifier filter, which weighs 9.5 Lbs. This purifier also has a more durable housing made of Fiberglass. Since it\u2019s an air purifier, it will inevitably have weak points to allow the air to travel through it in order to be filtered. However, it\u2019s designed to provide great performance despite having less holes, having less vulnerability compared to the more common purifier designs.\r\nValue\r\nDespite it being an air purifier, which is a simple concept that can be relatively cheap, it\u2019s a powerful air purifier that has high quality parts that turn that very simple concept into an expensive, efficient tool. The True HEPA filter, the carbon filter, and the Aerasmart technology are probably what affects the price the most. The HEPA filter costs about $70 and should be replaced at least once every 12 months, and the carbon filter is cheap and needs to be replaced every 3 months.\r\nAeramax 300 Wrap Up\r\nCustomer reviews have mostly been positive. In fact, an air purifier review from Breathe Quality, which participates in an affiliate advertising program designed to help sites earn advertising fees through Amazon, said that it has great performance while being quiet enough to not be too obvious at its highest setting.