Is the filter of the central air-conditioning air purification device as good as possible?

Many people often wonder: Does having more layers in a central air conditioning air purifier filter necessarily mean better performance? The answer is no. The effectiveness of an air purifier filter doesn’t depend on the sheer number of layers but rather on its underlying filtering technology. While it might seem logical to assume that the more filter layers you have, the better the purification results, this isn't always true. Some manufacturers in the air purifier industry promote this idea to emphasize the supposed superiority of their products. They list multiple filter layers, each claiming to address specific pollutants, sometimes even stacking up to eight layers. However, this approach is largely just marketing hype. In reality, when it comes to central air conditioning air purifiers, there's only one dominant filtration technology on the market today: the Wei Yi plasma high-voltage electrostatic precipitator. This system effectively captures larger particles like dust and hair, while also handling smaller particles such as PM10. Additionally, it targets harmful substances including smoke, formaldehyde, odors, bacteria, and volatile organic compounds (VOCs). It further ensures the removal of fine particulates like PM2.5, along with bacteria and other airborne contaminants that can be inhaled deep into the lungs. The quality of these filters is primarily determined by their efficiency levels. Higher-grade filters achieve significantly better purification rates. For instance, medical-grade air purifiers, often used in sterile operating rooms or the aerospace industry, can remove over 99.9% of PM2.5, 99% of bacteria and viruses, and 97% of formaldehyde from the air. It’s important to note that the number of layers in a filter doesn’t directly determine its quality. Simply adding more layers won’t improve air quality compared to using a plasma electrostatic precipitator, which is far more effective. Thus, the key lies in selecting a product based on its core technology rather than getting swayed by the number of filter layers advertised.

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