Growlite Exit Sign, Double Face, AC OnlyPlant safe Soft Green egress lighting. The GLE S Green Exit Series is specifically designed to provide plant safe Soft Green egress lighting for horticultural applications. The plant safe, green light provides a safe means of egress while not adversely affecting plant growth during dark cycles. The GLE S is the brightest, most visible sign in the industry in both normal and smoke filled environments. Features & Benefits Soft Green LEDs provide plant