MIRKA® OS 343DB (Dust Bag) is an ergonomic and lightweight pneumatic orbital sander, ideal for smaller sanding jobs within the window and furniture production. MIRKA® OS 343DB sander is easy to use with Abranet sheets or 75 mm rolls and there is no need for a central vacuum system. Only compressed air needed for dust-free sanding. The 3.0 mm orbit guarantees a good surface finish.