2" dial pressure gauge with red/green scale - Festo (MA-RG series) - Part number #526789 - 0...+145psi display range - R1/4" threaded port (pneumatic connection) - Nominal size 50mm dia. - Centered on rear side mounting - Black color - ABS housing / Brass mat. in contact with media - IP43 - equivalent to part # MA50145R14PSIERG