ASTM-F778 › Complete Document History
Standard Methods for Gas Flow Resistance Testing of Filtration Media

Complete Current Edition:
   1988 R23 EDITION - REAPPROVED IN 2023 - Feb. 16, 2023

Obsolete Revision Information:
   1988 R14 EDITION - REAPPROVED IN 2014 - June 1, 2014
   1988 R07 EDITION - REAPPROVED IN 2007 - June 1, 2007
   1988 R01 EDITION - REAPPROVED IN 2001 - Jan. 29, 1988
   1988 R93 EDITION - Gas Flow Resistance Testing of Filtration Media - Jan. 29, 1988