Description If you've been looking for air filter cotton , then your search is over! Our air vent filter is a practical replacement for the old or broken filter. M ade of s ponge material, durable to use. Replace c hassis server filter to make machine run well. Features -Color:Black -Material:Sponge -Size:100.00X100.00X0.10cm/39.30X39.30X0.04in - Effective adsorption of industrial waste dust. A great accessory for your daily life. - When the buyer DIY, the size can be arbitrarily cut according to actual needs. - The air filter cotton is light weight, convenient to use and store, and will not take up too much space. - Suitable for all kinds of computer chassis, and high temperature resistance, anti tear. - The air filter cotton, effective adsorption particles, extends the life of the filter. Package list: 1 x air filter cotton