Patented 3M cool flow valve provides easier breathing while reducing heat and moisture build up. Unique head harness and yoke design provides greater stability when wearing, and makes the mask much easier to wear with other headgear like welding and grinding shields. Utilises all of the existing 2000, 5000 and 6000 series filters and cartridges including the new 6035 P3 filter. Soft silicone material provides more flexibility and fewer pressure points on face and head. Filters are sold seperately, see stock numbers A26110 to A26122