WHERE VIBRATION CORROSION AND PULSATING CONDITIONS EXIST THE WEISS LINE OF STAINLESS STEEL CASED LIQUID FILLED PRESSURE GAUGES ARE DESIGNED TO MEET THE MOST SEVERE APPLICATIONS. AVAILABLE IN 2 1/2"" AND 4""T BRASS CONNECTION. 2 1/2"" DIAL ANSI B40.1 GRADE B 4"" DIAL ANSI B40.1 GRADE A. WARNING: This product can expose you to chemicals including lead which is 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 -