Austin Air Healthmate Plus Junior Replacement Filter. The replacement Filter for Austin Air HealthMate Plus Junior Air Purifier is the ultimate protection Austin Air Filter. The Austin Air HealthMate Jr. Plus Filter provides the same benefits as the standard Austin Air HealthMate Filters and additionally includes potassium iodide (along with the zeolite), delivering greater relief for people with severe chemical sensitivities. We recommend the Austin Air HealthMate Jr. Plus Filter where there is need for cleaning the air in difficult air quality problem locations, tough jobs and for locations with there are heavy concentrations of air pollution. Materials: Hepa Carbon Dimensions: 9.75L x 9.75W x 11.5H Weight: 8 lbs.