self cleaning idler ISO,CE,BV,SGS 1.DIN,CEMA,JIS,SABS1313,etc 2.Using ... usual 5000 pieces/ week, but urgent order is acceptable Certificate: CE, ISO, BV, SGS, IKA, ETCAdvantage:The life time: more than ... AS standard idler rollers: conveyor rubber disc return roller, self cleaning idler roller