Page 2 - Vira Filter Digital Catalouge
P. 2

INTRODUCTION TO AIR FILTRATION                                                                       2


        AIR FILTERS INTERNATIONAL CLASSIFICATION STANDARDS                                                   3


        PRE FILTERS                                                                                          4


        FINE FILTERS                                                                                        13


        ABSOLUTE FILTERS                                                                                    20


        High Capacity V-Type HEPA Filters                                                                   37


        ISO 16890 Air filters for general ventilation                                                        38

























































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