Amway ・ Atmosphere Air Purifier ・ Atmosphere Air Purifier S Both are compatible. Replace when the orange lamp lights up. There is dust and dirt. Please check the condition in the photos. Includes filter installation instructions. Used for approximately 9 months. (The manufacturer's replacement guideline is stated as 4 to 12 months) ● Carbon Odor Filter S Replacement filter incorporating 1,315g of activated carbon. Granular activated carbon that does not impede airflow adsorbs odor components. The filter surface is a nylon spunbond cloth that firmly protects the activated carbon. No tools are required for replacement. Will be shipped in the original box. We can accommodate requests for date and time指定.