The smooth surface of the product, good ventilation, in use to reduce the labor intensity of the dust collection bag to remove dust. 
 Post-processing method breathable layer (m3 / m / min) 
 Without post-processing needle felt 25 
 Singeing of the needle felt 21 
 Hot pressing light processing needled felt 11 
 Easy cleaning processing needled felt 20 
 Needle felt by the water and oil repellency treatment, 14