MIL-F-29177A, MILITARY SPECIFICATION: FILTER, AIR-EXTENDED AREA, INITIAL INSTALLATION (08-MAR-1985) [S/S BY F-F-2790]

MIL-F-29177A, MILITARY SPECIFICATION: FILTER, AIR-EXTENDED AREA, INITIAL INSTALLATION (08-MAR-1985) [S/S BY F-F-2790]., This specification covers replaceable, extended media area type air filters with externally supported, nonsupported, or self-supporting cartridges installed in permanent metal holding frames and housings as required for use in air conditioning, heating, and ventilating systems.