2-way “glycerin” analyzer pressure gauge for refrigerant gas charging. Provided with an aluminum bridge with 2 valves and two pressure gauges diameter 63 class 1.6 BLUE (Low) and RED (High). For use with gases R22 – R134a – R404 – R407C – R32 – R410A. 1/4 SAE and 5/16 SAE threaded connections. Pressure gauges with rubber impact protection. Side connections to connect the hoses when not working. Threaded hook to facilitate professional work. PSI bar scale pressure gauges. Indicated for charging in refrigerant gas equipment.