[High Quality Materials]This ceiling fan filter is made of high quality charcoal fiber cotton and adhesive, experience a fresh and healthy environment; the air purification function provides a and more comfortable living atmosphere whether it's in your home, office or other closed environments. [ & Slim]Despite the construction of our ceiling fan filters, their filtration efficiency is not compromised in any way; thanks to its activated carbon fiber cotton material that enhances its ability to screen out pollutants; this ensures that you , clean and safe! [High Efficiency Work]The ceiling fan filters for blades utilizes the airflow created by the ceiling fan during operation to absorb harmful particles in the air without interfering with the operation of the ceiling fan, and it is effective in absorbing a wide range of odors and particles. [Customizable Fan Blade Size of Filter]The standard size of our ceiling fan filter can be easily trimmed and customized according to your needs;