... deep filter cartridge,which is made of the textile fabric string (polypropylene,absorbent cotton and so on) preciously winding onto the ... ;(Absorbent cotton & .Stainless steel axle)≤120; 5.)Usagea.Electronic,electronic & power Industries: pure water, gas, electroplate liquid, presswork and so on ... .Grocery Industry: food, drink,drinking water, alcohol and so on. STRING WOUND FILTER CARTRIDGE