... , etc. DESCRIPTION Nominal Size : 2.5"(63mm),4.0"(100mm),Pressure Range : -1~0bar to 0~400barAccuracy : ±1%, ±1.6%, ±2.5%Working Temperature: -20°c ... Pointer: Aluminium ,black Window: Glass Or Plastic Thread: 1/8",1/4", 3/8",1/2", PT,BSP,NPT etc. Fill: Glycerine(standard) Silicone(optional ...