Filter-Monster True Replacement Compatible With Austin Air Healthmate Junior Filter, With White Carbon Pre-filter

Engineered to be compatible with Austin Air Jr HealthMate Air Purifier (HM200) Recommended to replace once every five (5) years for maximum efficiency, or more often in harsh environments Contains one (1) H13 Filter and two (2) pre-filters. Contains one (1) Filter and two (2) pre-filters.