Regin Gauge Premier Gauge Fluid REGU70

Regin Gauge Premier Gauge Fluid REGU70, suitable for the premier 45 Manometer. Regin REGU70 Gauge Premier Gauge Fluid.5ml Fluid has a specific gravity of 1.88 S.G. Exclusively for use in Regin Premier Gauges (REGU35 & REGU40)