... .abundant micropore diameter 2.good adsorption and desorption effect 1.Activated carbon fiber (ACF) is made by a natural fiber or man ... resembling graphite microchip and milk-layer stack.2.activated carbon fiber cassette is made by activated carbon fiber,and the outer surface is covered ... ,eg the roundness,the square,hollow form,and so on. activated carbon filter cassette(YH-232)