3M™ 8825+ With a robust shell and cup design, this respirator meets the particular requirements of the clogging test for FFP (filtering face piece) respirators and is EN 149 'R' rated which means that it may be used for more than one shift. Adjustable braided headbands with 4-point adjustment helps to provide a more secure feel and the flexible material helps give a customised fit. 3M™ Cool Flow™ Valve provides effective exit of heat build up to provide a cooler and more comfortable wear.