A device which, when installed in conjunction with a warm air heating system, injects or releases vapor for the purpose of increasing the relative humidity in a room or building. Excludes self-contained air humidifying units.
NSN 5935-01-319-9716
NSN 6620-01-457-9476
NSN 5965-01-443-5490
NSN 2925-00-771-7521
NSN 5960-00-904-3835
NSN 7035-01-494-1161
NSN 6220-01-341-8240
NSN 6105-01-573-5721
NSN 5996-00-126-6139
NSN 5945-01-437-8905
NSN 5999-01-406-3161
NSN 5996-01-647-3167