CENTOR Concealed Intermediate Carrier Set To Suit E3 Bi-Fold SystemThis concealed intermediate carrier set is a component part of the Centor E3 bi fold hardware system, which is a top hung bifold hardware system suitable for panels up to 1200mm wide by 3600mm high and 115kg in weight. It can be used with timber or aluminium doors and has been tested to PAS24 2016. The system is backed with a 10 year manufacturers warranty and has been cycle tested to the equivalent of opening and closing panels every day for 40