Esteem Industries, Inc. Manufactures Dehumidifier for Laboratory Purposes. Esteem Industries, Inc. Is an ISO 9001:2008 certified company. Dehumidifier for Laboratory Purposes is self standing with castor wheels dry air is essential to manufacture tablets, capsules, etc. Dehumidifier for Laboratory Purposes solves all these problems by removing excess moisture from the room air. It is supplied with castors for easy mobility and built in water tank for water collection. This equipment is suitable to work on 220 v, single phase, 50 hz, ac supply.