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This high-quality polypropylene ductless fume hood provides a clean, controlled work environment for personnel who are working with acids and harsh chemicals. An elegant 7-inch color touchscreen controls lighting, power and displays air velocity. As a safety feature, the entire chamber will glow red when there is any air velocity failure. The red-light alert allows convenient failure detection from a distance. All models are EN-14175 / CE / ASHRAE 110-1995 certified and can be customized to the requirements of each client.