The PRO-SET 3 1/8" (80mm) Extra-Large Oil-Filled High Side Pressure Gauge uses an easy-to-read color coded dial with an advanced flutter-free design. Durable metal casting provides strength for tough field conditions. The rear calibration access port allows you to service as needed. Compatible with R-134a, R-22, and R-404a.
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov