Compatible Model: Fit for Qrevo Curve / P20 Pro vacuum robot replacement parts. Please check your machine model before purchasing For Qrevo Curve Replacement Parts: The microfiber cloths are effective for cleaning all types of surfaces, easily removing dust, dirt, stains, pet hair, grease, and more. They save cleaning time and effort, providing a thorough and hygienic clean For P20 Pro Kits: The filter element can filter dust and exhaust gas and protect the motor of the vacuum cleaner. The dust bag can collect and load garbage, dust and other debris generated during the cleaning process of the robot Replacement Time: Spare parts should be replaced every 3-4 months depending on how often you use your machine to keep it at Colour:Photo Color Material:plastic Package Contents: 4 x dust bag 4 x filter 6 x rag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.