Rigid lightning protection couplings ZPSO - the ZPSO lightning arrester rigid connectors offered by Elektroplast are used in particular when conducting a fire on or under a flammable facade, e.g. polystyrene or wood. They are made of high quality PVC, thanks to which they are resistant to UV radiation for moderate climate. Moreover, they are distinguished by their excellent properties, these products do not spread flame and show good resistance to both aging and atmospheric factors.