1. Type: Vacuum cleaner parts 2. Replacement filter for ILIFE Professional Series robots. 3. Compatible models: Item for ILIFE A4 A4S A6 Series 4. The filter maintains the cleanliness of the ILIFE while reducing dust, pollen and other allergens that penetrate into the air you breathe. 5. For best results, the filter should be replaced every 2-3 months.
