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 6105-01-187-8465
NSN 6645-01-313-3139
NSN 6645-01-058-6260
NSN 2925-00-402-5582
NSN 4140-01-454-0578
NSN 6645-01-010-3746
NSN 5855-00-472-2055
NSN 6145-01-051-7012
NSN 5910-00-739-3370
NSN 5935-00-366-5789
NSN 6145-01-646-0548
NSN 5920-01-023-5878