Arctic Air Personal Space Cooler Replacement Filter
The filter should really be replaced every 2-3 months.
Replacement cartridges for mini USB portable air cooler are built with water absorption and heat absorption filters. The mineral fibres help to prevent mould and bacteria from growing.
Do it yourself in a few seconds. After 2 minutes the evaporative cartridges will be fully hydrated and will gradually cool the personal air around you. Very efficient with a huge evaporative surface. Using ice cold water has the best effects