INSE N5S Model - Compatible with INSE N5S N5T N500 N500R N500LBZ N500RZ S6 S6P S6T Pro S610 S6XBZG S600 & TMA T120 T121 T151 T150 T220 T210 T181 T180 T220 Cordless Vacuum Cleaner Maintenance - Regularly Clean the filters and replace every 3 months to ensure powerful suction 4 Pcs HEPA Filters - 4Pack High-Efficiency Replacement HEPA Filter is durable Easy to Install & Clean - The filters are easy to clean, simply use the included cleaning tool to remove dust from the HEPA surface and rinse the white mesh with cool water Upgraded High-efficiency HEPA Filter - With a high-efficiency HEPA filter and high-density mesh filter combined, the whole filtration performance is 2x that of the normal filter, leaving your home and office with fresher, purified air Warm Tips - The mesh filter wrapped around is necessary, please keep that in during use, DON'T put it off.