Erlab's Captair Smart ductless fume hoods are designed with advanced carbon filtration, Flex Technology and a simple, innovative way to keep you safe. With Erlab's unique validation process, safety is guaranteed and chemical exposure is eliminated by the configuarable filtering system above the enclosure. Installation is simple and no ductwork is necessary allowing for relocation. With the push of one button, it will set you free of limitations in order to focus on what is most important: your work. Each unit comes with Smart Technology – an exclusive set of tools that consists of Smart-Light Communication, chemical sensors (optional), real-time status, and the eGuard app. Smart Technology gives you an easily identifiable method of communication regarding containment, performance and filter efficiency via a soft, LED band of light called Smart-Light. Smart-Light is a light signature across the front panel which casts a stable LED glow ensuring proper operation. If normal operation is disrupted, the reassuring LED light pulses and sounds.