BY-PASS FILTERS & SYSTEMS

NAS VALUE/ ISO CODE PATCH COMPARISON CHART

               NAS VALUE 4      ISO 13/10                                                 NAS VALUE 5        ISO 14/11

              NAS VALUE 6      ISO 15/12                                                                         NAS VALUE 7       ISO 16/13

               NAS VALUE 8        ISO 17/14                                                        NAS VALUE 9         ISO 18/15

   NAS VALUE 10       ISO 19/16                                                    NAS VALUE 11        ISO 20/17

               NAS VALUE 12        ISO 21/18                                                      NAS VALUE 13        ISO 22/19  

BACKNAS VALUE / ISO CODE PATCH COMPARISON CHART |  ISO 4406 CONTAMINATION CHART | NAS GRADE