National Stock Number: 4520-99-403-8325
Federal Supply Class: 4520
National Item Identification Number: 994038325
Description: HUMIDIFIER,WARM AIR
Detail: 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.
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