I planning to buy a air purifier for my bro in law as he's laying on bed with vegetative state after serious virus infection in his brain.
The housing environment is not so clean and make him always recurring with other side infection of bacteria and virus from environment.
Please recommend me a best model which costing below rm1.5k.I'm not sure which type of air purifier is suitable for his case as the price range and functionality are vary so much.