The 001-156-750 is a flush mount bezel for the GP33 and RD33 display unit. This bezel should be used when the display is flush mounted in a space previously occupied by a GP30/RD30 style display.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.