P2 R D Particulate Prefilter - Pack of 4

• PARTICULATE PRE-FILTER - Prefilter for use in conjunction with cartridge filter systems. • P2R FILTER - P2 R Pre-Filter. • HALF MASK - For use with Model No. 9000 half mask and a corresponding cartridge. • REUSABLE - Reusable filter element. • COMPATIBLE - Use with the Model No's 9001, 9002, 9003 range of filter cartridges and 9009 filter retainer.