The Kirkland Signature (Costco) 2200 High Performance 1648343 is part of the Air Filters test program at Consumer Reports. In our lab tests, Furnace Filters, Air Conditioner Filters & Air Filters ...

Ideally, here’s what you want in an air purifier: designed for the size of your room targets the type of contaminants in your home has a high CADR rate has a HEPA filter with at least a MERV 13 ...