Fig. 3From: Light in the box—photobiological examination chamber with light trap ventilation system for studying fungal surface cultures illustrated with Metarhizium brunneum and Beauveria brongniartii Overview of the LED insert connector system with key-lock principle. a Assembled LED connector system consisting out of several modules, which, due to its defined shape, allows only one insertion direction into the socket. b Single elements of the LED module in the order of their assemblyBack to article page