The hygiene-certified air duct range KomFlex® with a round or oval cross section is enhanced by a newly developed plastics distribution system (KS system) from PICHLER, featuring secondary vents and formwork rings as well as distribution boxes: • Offering a unique, easy and. The hygiene-certified air duct range KomFlex® with a round or oval cross section is enhanced by a newly developed plastics distribution system (KS system) from PICHLER, featuring secondary vents and formwork rings as well as distribution boxes: • Offering a unique, easy and. The hygiene-certified air duct range KomFlex® with a round or oval cross section is enhanced by a newly developed plastics distribution system (KS system) from PICHLER, featuring secondary vents and formwork rings as well as distribution boxes: • Offering a unique, easy and extremely convenient use. use of the KS system in concrete. It can be fastened to concrete formwork elements in various ways, ofers connection options for the secondary vent and valves as well as distribution boxes and is provided with covers on both sides, preventi g the ingress of concrete or dirt. It is ideally suited. Unique, simple and extremely practical to use With pull protection, suitable for connecting both - round and oval hoses Extremely quiet thanks to the aerodynamic interior shape Versatile installation, whether brick, concrete, wood or drywall Furthermore, the suspension in a false ceiling Easy. Könner & Söhnen® Distribution Boards provide reliable connection for up to 7 groups of devices with a maximum current of 32A. Suitable for indoor and outdoor use. What is a distribution board?A reliable and safe electrical supply is an absolute "must" on board every ship.