'- 3-1/8" Dry Compound Gauge
- °F, 30"-0-120 psi (Features retard protection to 350 psi)
- R134A/404A/407C
- Flutterless technology with brass surge protector to minimize needle pulsation
- Brass gauge movement
- Copper alloy Bourdon tube
- 1/8" NPT Male connection
- Calibrated to 1% accuracy
- Color-coded refrigerant types