Double sphere Flexible connectors (IDS) Designed to compensate for expansion, compression, transverse movement and angular deflection due to thermal changes in piping connected to rotating equipment. IDS have vulcanised rubber bellows (tube and cover) made of EPDM and reinforced by nylon cords. Pipe size range from 1.5-12 “, weight range 9-98 Lbs. Size 1.5 2 2.5 3 4 5 6 8 10 12 Add-On ICRP: Isotech Control Cable Rod N/A