Ultra Filters are membrane filters that remove particles as small as protein macromolecules. They are excellent technology for ensuring consistent ultra pure water quality with respect to particles, bacteria and pyrogens. Fits models: MB007BPM1 , MB007PK01 , MB007XXM1 , MB015BPM1 , MB015PK01 , MB015XXM1 , ULRSXGEM1 , ULRSXGEM2 , ULXXXBSM1 , ULXXXBSM2 , ULXXXGEM1 , ULXXXGEM2