... DN80,DN100,DN125,DN150,DN175,DN200 2.Hardness: soft,mebium soft,hard 3.Color:red,green,blue,orange Detailed Product ... specification:- sponge balls from 2" to 8", soft, medium or hard- sponge colume 4", 5" and 6"- ... soft ,hard ,medium softOD 60mmDN80 (3 inch) soft ,hard ,medium softOD95mmDN100 (4 inch) soft ,hard ,medium softOD124mm DN125(5 inch) soft ,hard ,medium softOD150mm DN150(6 inch) soft ,hard ...