Get current pricing for Perma-cal, PERMA-CAL-6050-ID Perma-cal Corp Gauges 4 Dial Yellow Plastic Housing 0-200psi 2 Psi Divisions P/n 121t1b06y23 28198-02-043 28198-02-018 28198-02-017 2 . Product Category: Lab Equipment, Sub Category: Flowmeters: