The 2-Minute Rule for เครื่องกรองอากาศ pm 2.5 ยี่ห้อไหนดี
And two, it’s additional sensitive to filter lifetime than Various other purifiers: We’ve calculated reasonably major fall-offs when tests 12 months-aged filters. Blueair suggests replacing the filter “each individual six months or so,” and it’s best to follow that agen