There are multiple air purifiers in the market with different types of filters and varying sizes. This guide will help you in knowing the different types of filters and sizes and picking the most suitable filter and size. Try our Air Purifiers selector to choose right Air Purifier by answering simple questions without reading any buying guide.
Basically there are three filters - HEPA filter, Activated carbon filter and pre filter. HEPA filters is mean to filter small particles of size 0.3 micrometer or more. Activated carbon filters specialized in removing bad odors and smells from home. Pre filter can filter large particles, pet hair and other. They increase the longevity of the HEPA filter. Read more about HEPA filters to understand more about HEPA filters. The importance of pre filter in air purifiers is explained detailed in the mentioned article.
|HEPA filter||Activated carbon filter||Pre filter|
|Small dust particles||Yes|
|Large dust particles||Yes||Yes|
|Small pollen,mold particles||Yes|
|Large pollen,mold particles||Yes||Yes|
|Price||Rs. 3,000 to 15,000||Rs. 1,000 to 3,000||Rs. 100 to 300|
The size of air purifier and CADR plays important role in deciding air purifier. We hope below size chart comparison will you in deciding right air purifier size. Do read more about air purifier size.
|Room type||Air Purifier area covered specification||Suggested CADR value|
|Bedroom( upto 300 sq.ft )||Area covered at least 300 sq.ft||140|
|Living room( 300 to 600 sq.ft )||Area covered 500 sq.ft - 600 sq.ft||270|
|Total house(more than 600 sq.ft )||Area covered 800 sq.ft - 1,000 sq.ft||400|