Pre filters of air purifiers are important component. Per filters are the most economical and cheapest filters. In this articles we discuss more about the advantages of per filters.
In short Pre filter collects hair and large dust particles. Per filters are involved in the first layer filtration. First air is passed through the pre filters. Pre filters captures the large hair and large dust particles, mold. The output air of pre filters is then passed to second layer of filters - either HEPA or carbon filters. Try our Air Purifiers selector to choose right Air Purifier by answering simple questions without reading any buying guide.
HEPA filters meant to capture small particles like 0.25 micrometer to 0.3 micrometer. By having pre filter will reduce the burden on the HEPA filter or carbon filter. Pre filters improve the lifetime or longevity of HEPA filter.
|HEPA filter||Rs. 3,000 to Rs.18,000|
|Activated Carbon filter||Rs. 1,000 to Rs.3,000|
|Pre filter||Rs. 150 to Rs.700|
Pre filters can be classified on two aspects washability and packaging.