High Quality MaterialsThis 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 safer and more comfortable living atmosphere whether it's in your home, office or other closed environments.Lightweight & SlimDespite the lightweight 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 breathe fresh, clean and safe!High Efficiency WorkThe 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 FilterThe standard size of our ceiling fan filter is about 250*90*5mm, which can be easily trimmed and customized according to your needs; this allows the ceiling fan air filter to be mounted on your fan blade and proves its universal compatibility.Easy InstallationOur ceiling fan filter is easy to install, just peel off the adhesive backing and stick it on the blades of the ceiling fan. NOTE: Please make sure your ceiling fan is clean and free of dust and dirt before installation.Each filter lasts for up to three months ,and the time will depend on how much unwanted air particles are in your home.