... ISO14001:2004, RoHS and CE ;1)Used for fresh air fan of air-conditioning, Durable, excellent flexibility, Notable vibration absorbing, noise ... be bend freely.5) They are the ideal substitutes of the traditional plastic flexible connector.6) JR-401, ... -403, JR-404, JR-405, JR-406 made of different materials are available.NoSPELNominal Pressure MPaApplicable temperature °CApplicable ...