Standard Methods for
Gas Flow Resistance Testing of Filtration Media1
This standard is issued under the fixed designation F 778; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
Click below to download Astm F 778 – 88 (Reapproved 2001) Pdf free
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Click here to Astm F 773M – 96 (Reapproved 2003) Pdf free download