Light twin version, with two double inlet wheels on the same shaft, supported on mounting feet screwed on the scroll sides.  Ball bearings on electrically conductive rubber shock absorbers, inside inlet spiders.  Available from the size 7-7 to the size 18-18.
The mounting feet can be fixed on the scroll sides in four alternative positions, to allow installation with orientation 0°, 90°, 180° or 270°, as defined in ISO 13349.
