Question: what are the best air filters?
Answer: Our pick. Coway AP-1512HH Mighty. Effective, efficient, and inexpensive. ...  Runner-up. Coway Airmega 200M. Different look, same great performance. ...  Also great. Blueair Blue Pure 211+ A stellar performer for larger rooms. ...  Budget pick. Blueair Blue Pure 411. Small, effective, and attractive. ...  Also great. Austin Air HealthMate HM400.