1.100% cotton filter cloth 2.material:21,10,16yarn 3.usage:Leatherette, sugar refinery, rubber, paint, gas, oil, ... 1.Large dust holding capacity. 2.Long working life.3.Environmental friendly.4.Easy installation Description:material:cotton 21, ... 10,16yarntype:3*4 4*4 5*5 5*6 6*6 ... *3610/4*436*25.521/3*3 10/3*339*2621/5*6twill60*2810/2*3 21/2*251*4010/2* ...