3M 5911 P1 R dust filter

3M 5911 P1 R dust filter: offers protection against harmless fine dust (solid and liquid particles). Ideal alternative to dust masks for intensive users of respiratory protection. These dust filters can be combined with the 6000 series gas and vapor filters as a dust pre-filter or with the 8-603 base filter holder as a dust filter. Additional info: a minimum of 2 dust filters are required per half-face or full-face mask. The price is per piece.