REGIN MANOMETER FLUID SPECIFIC GRAVITY 1.0 FOR STANDARD U GAUGE GAS TESTERS 22ml
For use in all Regin ‘U’ Gauges (except for REGU30, REGU33, REGU35 & REGU40). Must not be used in any of the Regin premier gauges or J-Gauges as it will not work. These require different SG fluid. Part Number: REGU45.