毛片a级_欧美精品久久_91免费在线播放_欧美人成在线视频_国产精品黄_91精品国产综合久久精品

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.