Feature: 1. Compatibility: Designed for AIRTOK AP0601 air purifier, ensuring optimal performance and air capacity, allowing you to breathe fresher, cleaner air at all times. 2. Effective Odor Elimination: The filter efficiently removes up to 99.97% of 0.1 micron air particles, including diaper odors, teenage bedroom odors, wet dog odors, cat litter odors, pet dander, plant pollen, smoke, fibers, and pet fur odors. 3. Multi Layer Design: The air purifier filter features a multi layer design, including an H13 true high efficiency air purifier filter layer, activated carbon layer, and nylon pre filter. The H13 layer effectively eliminates odor and pet smells. 4. Easy Installation: The filter is sealed to extend its lifespan. Simply remove the plastic packaging before installing the new filter. After installation, press and hold the filter replacement indicator light to reset the filter replacement reminder. 5. Routine Maintenance: It is recommended to replace the filter every 3 to 6 months. Depending on your usage frequency, you may need to replace the filter sooner or later. In highly polluted environments, more frequent filter replacements may be necessary. Specification: Item Type: Air Purifier Filter Material: High efficiency particulate air filter, nylon Weight: Approx. 267g/9.4oz Product Size: Approx. 14.1x13.8cm/5.6x5.4in. Package List: 1 x Air Purifier Filter