1. Wide Compatibility :For Shark Navigator Nv350, Nv351, Nv352, Nv356E S2, Nv355, Nv356, Nv357, Nv358, Nv360, Nv354, Nv353(Due To Different Hepa Filters, Only These Models Are Compatible) | | 2. Product List: Roller Brush *1, Filter *1, Sponge *2, Felt *2, Belt *1, This Product Is Only Compatible With Nv350. The Nv360 Series Is Not Compatible With Nv500 And Nv520 Series, Nv680 And Nv650 Series, And Nv750 And Nv752 Series. Please Confirm The Model Before Purchase | | 3. The Rolling Brush Is Made Of High Quality Materials, Which Can Effectively Suck The Debris On The Carpet And The Dust In The Gap Into The Dust Box. The Filter Can Filter The Dust Well, Prevent The Dust From Entering The Air, And Make The Carpet Beautiful | | 4. It Is Easy To Remove And Install. Use A Screwdriver During The Installation. There Are Two Hidden Screws Under The Little Wheel. You Need To Remove The Wheel To See The Screws. The Disassembly Process May Take Several Minutes | | 5. As For After-Sales .