Replacement HEPA Filter for Holmes AER1 Total Air Filter, HAPF30AT for air Purifier partsFeatures:lThe product is brand new and has premium qualitylIn order to keep your vacuum work in a best performance,it is recommended to change the filter every 2-3 monthslThe item removes household dirt and dust to improve indoor air quality,trapsmost of airborne allergens and contaminant from the airSpecifications:lCondition: NewlColor: White + BluelDimensions: 10 * 4.6 * 1.2 incheslSuitable for: Holmes AER1 Total Air PurifierPacking includes:1xFilter (PCS)Notes:lFor optimal performance, filtersshould be cleanedregularlylDue to manual measurement, different measurement methods and tools may have slight dimensional deviationslDue to the different light, the angle and the display, the image may not reflect the actual color of the project