ECS-75SMF45A7.5B ECS-75SMF45A7.5B-TR ECS-76.8-18-4XEN ECS-76.8-18-5PXEN-TR ECS-76.8-18-5PX-GM-TR ECS-76.8-20-1 ECS-76.8-20-1X ECS-76.8-20-4 ECS-76.8-20-4X ECS-761.21-S-1-30T