Replacement Filter Humidifier for Arctic Air Personal Space Cooler <ul><li>The filter is made with advanced nano technology. Captures liquid like a magnet and is free of toxic chemicals. It is easy to replace the filter every 2-3 months to save cooling power.</li><li>The replacement cartridge is built with rapid water absorption and heat absorption functions. mineral fibers prevent the growth of mold and bacteria.</li><li>Easy installation, do it yourself in seconds. After 2 minutes, the evaporative cartridges will be fully hydrated and gradually cool the air around you. It is very efficient with a huge evaporative surface.</li><li>The high-quality anti-stone filter eliminates foul odors and keeps the air cooler clean. Efficient with a huge evaporative surface, delivers soft and healthy mist, enjoy clean and fresh air by replacing the filter rather than buying a new air cooler, save money.</li><li>The wind takes away the negative ion from cooling for you. When skin closure, the somatosensory temperature can be around 5-8.</li></ul> 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.