100% Brand new and high quality The filter can intercept dust, effectively filter to reject secondary pollution Regular replacement of accessories will also improve the cleaning performance of your device Solid and durable, long service life Applicable model: for Dolphin m400, m500 9991432-R4 Color: Black + white Material: plastic Size: 26.5 x 17.5 x 1.5 cm Package Contents: 4 x 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.