Q43N Screen-Bak Durite. Discs for machine sanding using machines with dust extractor type Giraffe. Constructed on woven polyester with open mesh structure, which provides minimal clogging and a long life. Suitable for sanding filler, paint, aluminium, iron, etc. Especially suitable for material that has a tendency to clog. Flexible. For wet and dry sanding. Abrasive: Silicon carbide.