COMMERCIAL COMPOUND GAUGE, NOMINAL DIAL SIZE 3 1/2 IN, ACCURACY +/-3-2-3 PERCENT, GAUGE CASE MATERIAL ABS PLASTIC, PROCESS CONNECTION TYPE NPT, PROCESS CONNECTION GENDER MALE, LENS MATERIAL ACRYLIC, PROCESS CONNECTION SIZE 1/4 IN, FIELD FILLABLE NO, PROCESS CONNECTION LOCATION CENTER BACK, CASE COLOR BLACK, IP/NEMA RATING NOT RATED, PRIMARY PRESSURE RANGE 30 TO 0 TO 30, DRY DAMPENING FEATURE NONE, VIBRATION RESISTANCE NONE, DIAL COLOR WHITE