After the launch of the first two-piece snap-open E-Tubes during the mid 80's, many transformations and auxiliary parts have been added to range of these products. These E-Tubes are applicable in environments with hot chips, dust and dirt produced in wood processing, pulp factories, steel works, textiles, agriculture, coal-fired plants and in a different aversive environmental conditions. Choose these affordable and alternative Series R100 for such application with both medium and slow speed.