Effective particle filter for 99.99% filtration: for fine and coarse dust Compatible with all X-Force Flex 8.60 devices; for behind the engine Content: for X-Force Flex 8.60 HEPA filter Color: as shown Material: Plastic Size: 10cm Package Contents: 4 * Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.