Yellow Jacket - With 1% accuracy (Class 1) calibration. Gauges are completely filled with glycerin for maximum protection from pulsation. Large 3-1/2" (90 mm) diameter gauge with refrigerants color-coded on the dials in bold numbers.
Offset stem fits all major manifold brands
Now with zero adjustment
1/8" NPT Male connection
Temperature rating of 0° to 122°F (-18° to 50°C)
Calibrated to 1% accuracy (Class 1)
Made in the USA