Brands (14)

Brand	Score	Models	Owner comments	Price range
Coway	4.3	3	39	$270–$630
3M	3.8	4	36	$25–$140
Levoit	3.6	4	21	$170–$300
IQAir	3.3	1	18	$1200–$1200
Winix	4.1	2	16	$220–$290
Blueair	3.7	1	9	$349–$349
Moldex	4.2	1	8	—
GVS	3.9	1	8	$59–$59
Medify	3.5	1	4	$450–$450
Filtrete	3.6	1	3	$28–$28
Envo	2.3	1	2	$44–$44
Honeywell	3.9	1	1	—
Lasko	3.5	1	1	$48–$48
Air King	2.8	1	1	$69–$69