Usage Tips:Specifications:The air cooler filter is easy to disassemble and easy to install.It can effectively block impurities and dust in the air to improve the purity of the air.The air cooler filter is an ideal replacement filter for the air cooler.After staying in the air-conditioned room for a long time, you will feel the air becomes dry and uncomfortable. Air cooler paper can absorb moisture and increase air humidity through evaporation technology.The air cooler filter only needs cold water every day.It can not only calm you down, but also meet your health needs, especially suitable for pregnant women and children. Type: Filter CoreMaterial: PlasticFeatures: Easy to install, Effective, Increase Air HumiditySize: 12.5cm x 10.5cm/4.92" x 4.13" (Approx.) Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:10 x Filter Cores