Case:           Ø3.5”(90mm),polish SS304
Bezel:           Bayont,polish stainless steel
Window:       Plastic
Pointer:        White aluminium
Dial:             Aluminium
Type:           Center back entry
Wetted parts: Brass
Union:          1/4"NPT,
Scale:          Single scale
Range:        -10psi/+10psi
                    1mm weep hole in bottom of case
                    RTV on connection and screw