Excellent for ensuring consistent ultra pure water quality with respect to particles and bacteria immediately prior to dispensing. Fits models: CLXXUVFM1 , CLXXUVFM2 , CLXXXDIM1 , CLXXXDIM2 , CLXXXUFM1 , CLXXXUFM2 , CLXXXUVM1 , CLXXXUVM2 , ULRSXANM1 , ULRSXANM2 , ULRSXGEM1 , ULRSXGEM2 , ULXXXANM1 , ULXXXANM2 , ULXXXBSM1 , ULXXXBSM2 , ULXXXGEM1 , ULXXXGEM2 , ULXXXIOM1 , ULXXXIOM2 , ULXXXSCM1 , ULXXXSCM2