Compatible Models offers replacement filters that are compatible with LEVOIT air purifiers Vital 100 and Vital 100-RF. The pre-filter can be easily removed for washing or replacement. It is recommended to replace the filter every 6-8 months, depending on your frequency of use and the environment. The 3 in 1 design includes High-Efficiency Activated Carbon, H13 True HEPA, and Pre-filter, ensuring efficient purification. With easy tool-free replacement, Compatible Models provides a convenient solution for maintaining clean air in your home.