Incoming hot & cold water goes into the back of the plate and the thermostatic mixer bar goes onto the front of the plate. Specifictions Length : 125mm Height : 40mm Width Between Inlets : 45mm Width Between Fixing Holes : 100mm Key Features Univseral wall plate High Quality Finishing Dual Inlets Package Contents Easy Fitting Plate 2 X Wall Plugs 2 X Screws 2 X Cover Caps 2 X Washers