NPFC - A-A-50554
FILTER,AIR-EXTENDED AREA, INITIAL INSTALLATION
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| Organization: | NPFC |
| Publication Date: | 1 December 2017 |
| Status: | active |
| Page Count: | 10 |
scope:
This specification covers replaceable, extended media area type air filters with externally supported, nonsupported, or self-supporting cartridges. The filters are installed in permanent metal holding frames and housings as required for use in air conditioning, heating, and ventilating systems for removing particulate matter found in the atmosphere.
Document History
September 22, 2022
Filter, Air-Extended Area, Initial Installation
A description is not available for this item.
A-A-50554
December 1, 2017
FILTER,AIR-EXTENDED AREA, INITIAL INSTALLATION
This specification covers replaceable, extended media area type air filters with externally supported, nonsupported, or self-supporting cartridges. The filters are installed in permanent metal...
December 11, 2002
FILTER, AIR-EXTENDED AREA, INITIAL INSTALLATION
A description is not available for this item.
October 9, 1997
FILTER, AIR-EXTENDED AREA, INITIAL INSTALLATION
This specification covers replaceable, extended media area type air filters with externally supported, nonsupported, or self-supporting cartridges. The filters are installed in permanent metal...