Standard 1-¼” ‘P” trap short connection for under mount sinks.
face plate dimension: 7,5 diameter [for European sinks with larger drain opening]
EASY METRIC CONVERSION
cm to inches: example 1: example 2: formula:
2.54cm = 1 inch 25.4cm = 10 inches 30.0cm = 11.81 inches take number of centimeters indicated in the description, width, projection or height and simply divide by 2.54 this will give you the dimension in inches!