1,FINE PRELIMINARY FILTER: Air cleaner replacement filter designed for LEVOIT PUR131 / PUR131S / PUR131 RF models, ensuring optimal performance of your air cleaner. 2,ACTIVATED CARBON: The AAA activated carbon cotton filter has exceptional adsorption properties, effectively absorbing and eliminating odors and harmful substances in the air. 3,EFFECTIVE AIR PURIFICATION: The filter effectively helps the cleaner remove particles such as dust, pollen and pet dander from the air, while also absorbing harmful gases, safeguarding your family health. 4,QUALITY MATERIAL: Replacement filter is made from quality cotton fibers and high performance activated carbon, making it environmentally friendly, durable and safe for your household. 5,EASY REPLACE: High efficiency particulate air activated carbon filters design is compact, the replacement is very simple, without any tools, you can easily and quickly replace. Item Type: Air Cleaner Filter Material: Cotton Fiber, Activated Carbon Compatible with: for LEVOIT PUR131 / PUR131S / PUR131 RF Air cleaner Filters Weight: Approx. 990.00g / 34.92oz Filter and Activated Carbon Board Size: Approx. 29.21 x 34.29 cm / 11.5in x 13.5in 1 x Replacement Filter 1 x Activated Carbon Board Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store