3M 236U Clean Sanding Discs 

3M Clean Sanding Discs are the newest innovation in dust-free technology. These discs have small holes arranged in an innovative swirl pattern designed for optimum dust extraction, and are offered in hook and loop attachment. The 236U abrasive uses strong C-weight backing paper to provide excellent support for tough aluminum oxide mineral. These discs are aggressive, sharp, fast cutting and long lasting.