Product suitable for: Sharp air purifier filter -D50 -E50 -F50 As part of routine maintenance, the accessories are easy to disassemble and replace. The filter keeps the robot clean and reduces the penetration of dust, pollen and other allergens into the air you breathe. In order to achieve the best cleaning and filtering effect, the filter should be replaced according to the maintenance frequency and air quality. Color: As shown Material: Plastic Package Contents: 3 x Filter Only the above package content, other products are not included. Note: Light shooting 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.