Activated Carbon Filtration: The product consists of natural activated carbon, designed with high-density carbon filters with strong adsorption capacity, which can effectively adsorb all kinds of dust, pollen, smoke and other pollutants in the air, these ceiling fan filter perfectly act as a household dust collector, freeing up your hands, especially if there is a home environment in which you have pets or children, cleanliness is extra important. Package includes 25 ceiling fan air filters, the quantity is enough to meet your daily use and replacement, let you enjoy the whole summer, experience a fresher and healthier environment, the air purification function of fan filters provides you with a and more comfortable living and working atmosphere, let you air in closed indoor environments as well as in time. Multi-scenario application: Our dust collector fan filters can be used in various environments, such as restaurants, bars, teachers, bedrooms, kitchens, studies, living rooms, kitchens, etc., wherever your fan is, it works perfectly. It is very convenient,fan blade filterscan maximally free your hands and purify the air . Timed Replacement: With our filters covers your ceiling fan blades, you can easily maintain a clean living and working environment, and the installation is very simple, first you just need to clean the dust on the fan, then stick our fan air purifier pad on it, and then change the filter every 3-4 months according to the specific air quality, always keep the air fresh and clean. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black Material:Coconut shell carbon Package Contents: 25x ceiling fan air filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.