Suitable: for sharp air purification filter KC-D50 KC-E50 KC-F50 As part of routine maintenance, the accessories can be easily disassembled and replaced. The filter keeps the robot clean and reduces the penetration of dust, pollen and other allergens into the air you breathe. For the best effect cleaning and filtering, the filter should be replaced according to the service frequency and air quality. Color: as shown Material: plastic Package contents: 1 x activated carbon filter 1 x filter elements Only the above package content, other products are not included. Note: light shooting and various displays may cause the color of the item in the photo to be slightly different from the actual color. The measurement error is +/- 1-3cm.