CNA Explains: How to choose an air purifier and what to look out for

Do you need an air purifier in the event of haze? Here's what to look out for when buying an air purifier, what to avoid, and how to check if your old air purifier is still effective. Read more: https://cna.asia/44tDGDO Subscribe to our channel here: https://cna.asia/youtubesub Subscribe to our news service for must-read stories: Telegram - https://cna.asia/telegram WhatsApp - https://cna.asia/whatsapp Follow us: CNA: https://cna.asia CNA Lifestyle: http://www.cnalifestyle.com Facebook:   / channelnewsasia   Instagram:   / channelnewsasia   Twitter:   / channelnewsasia   TikTok:   / channelnewsasia