Steel case & Bezel, plastic window,

brass internal and connector

Diameter: 1.5", 2.0", 2.5", 3"

Thread type: 1/8", 1/4",1/2",3/8", NPT, BSPT, BSP...
Pressure Range: 0-50psi...0-6000 psi
Scale: single scale or dual,psi,bar,kpa,mpa...
Connection: radial, bottom connection;axial,

center back connection;left,right