Summary: locked door Depending on the size constraints on site and accessibility for users and an estimated mail volume the three models that provide the basis of the unit are 2030 2040 and 2010 So if depth is a constraint then the 2040 box as a basis for the unit is ideal similarly if the total height of the unit is going to be a key factor then the 2010 1 or 2030 1 will be a good
Image Dimensions: 550 x 347
Image originally found here.