Description These air vent filters are made from good material, tear-resistant,it offers excellent adsorption capacity for a healthier indoor environment, thick but will not reduce airflow, designated for your air vent filter at home. Features - Color: Black - Material: Activated carbon fibre - Size: 49.00X12.00X0.30cm/19.26X4.72X0.12in -Adopting from activated carbon fibrematerial, which is lightweight,with exquisite and good workmanship. - Enhances the overall air quality, promoting a good indoor living space for individuals. - The excellent workmanship of our product will bring you a good using experience. - Captures tiny particles such as pollen, pet dander, common pollutants, improve indoor air quality. - Suitable for fan inlet filtration, air conditioning industry filtration, automotive paint room.Package list: 4 x sheets of air filter pads