Filter-Monster Branded Replacement Compatible with IQAir HeathPro Series Pre-Max Pre-Filter

Compatibility: Filter-Monster branded replacement filter compatible with IQAir Pre-Max pre-filter. Engineered to be compatible with IQAir HealthPro Series air purifiers. Not compatible with the IQAir Healthpro Compact Model. | PreMax Compatibility: Replacement air pre-filter compatible with the PreMax pre-filter extends life of V5-Cell and filters by capturing coarse and fine particles. | Air Quality Improvement: Removes at least 99% of small particles such as dust, smoke, pollen, pet hair and dander, and more. | Maintenance: Recommended to replace every eighteen (18) months for maximum efficiency, or more often depending on air quality and environmental factors. | Dimensions: Each filter measures 13 x 13 x 3 inches. Included in the package is a Pre-Max Prefilter compatible with IQAir Healthpro Series.