Select a filter for your air conditioning system:
No filterUnknownMERV8MERV9MERV10MERV11MERV12MERV13MERV14MERV15MERV16
Select an activity:
Quiet working, SeatedSpeaking, SeatedSpeaking loudly, SeatedQuiet working, StandingSpeaking, StandingSpeaking loudly, StandingQuiet, moderate activitySpeaking, moderate activitySpeaking loudly, moderate activityQuiet, heavy activitySpeaking, heavy activitySpeaking loudly, heavy activityTeaching, speakingTeaching, speaking loudlyStudent, speakingStudent, speaking loudly
Select age group:
6-1011-1516-2021-3031-4041-5051-6061-7071-80Over80
Select mask type:
No maskMixed (if unsure)Surgical maskCloth maskN95N95 - valvedFace shields