Features 1、High Efficiency Particulate Air Filter: Compatible for HHT270 HHT270W HHT290 FRF101B FHT170W FHT180W FHT190W FRF102B FHT170WCV FHT180X FHT180 FHT190V air purifiers. 2、Activated Carbon: The AAA activated carbon cotton filter core has excellent adsorption properties, effectively removing bad smell and harmful substances from the air. 3、Effective Filtration: The filter can effectively remove particles such as smoke, pollen, dust and pet dander from the air, ensuring a healthier home environment. 4、Improve Air Quality: Enjoy a reduction in household smell such as cooking smells, pet smell, and cigarette smoke. Provide you and your family with a comfortable living environment in just a few minutes. 5、Easy to Replace: Installation is easy, no tools required. Simply remove and replace from your unit when needed. For optimal performance, we recommend replacing your air filter every 3 months. Specifications Item Type: Air Purifier Filter Replacement Material: High Efficiency Particulate Air Weight: Approx. 288.00g / 10.16oz Compatible: for FRF102B FRF101B FHT190 FHT180 FHT170 HHT270 HHT290 Air Purifier Product Size: Approx. 25.5x12.5x3.5cm / 10.0x4.9x1.4in Package List 2 x Air Purifier Filter Replacement