Ceiling Filter TWB-2 series h***e the features of high efficiency and super-long service life. It's processed by super long and anti-broken synthetic fiber and high quality water resin. Because of solid adhesive application, layer by layer intensified fiber density, and terylene of high performance, the TWB-2 series do not only block and absorb the dust molecules more effectively, but also keep the air more clean, and distribute air flows evenly in the whole working space. This series of ceiling filters are mainly used to air flow systems of auto painting equipments, pharmaceutical industries and purified spaces with high demands for air purification and surface coating.