HYDAC Fluid Level Indicator, FSA-176-1.X/T/12, FSA-76-1.X/T/12, FSA-127-1.1/-/12, FSA-076-1.1/-/10, FSA-254-2.0/T/12, FSA-127-1.X/T/12, FSK-176-2.5/O/-/12, FSK-254-2.5/O/-/12