I want to buy an air purifier. How about avionics neutralization? This brand is very famous on our side.

This brand mainly focuses on the offline market, which is average compared with 352, Breathe Free and Airx with the same online price. These brands have a CADR value of about 800 for particulate matter and a CADR value of 500 for formaldehyde, with good noise control and good design. Y4A, the most expensive in avionics, can only achieve particulate matter CADR 503 and formaldehyde 162. The performance is obviously different from those three models, and the price is cheaper than avionics, including more than 3,000 Y4.