You can choose the BG version and/or the OVERRIDE versions.
The override versions will override the EA object, the others are standalone cc items.

The base game versions are standalone cc objects made for base game. Is compatible with anything.
v1 is a bgc version of the parenthood breadbox. 
v2 is a bgc version of the country kitchen kit breadbox.

The GP05 version is an EA OVERRIDE of the "Parenthood" breadbox aka v1. 
It will not be compatible with other mods that override the EA breadbox.
Slot size changed to "SMALL", so it can fit on more surfaces. 
Now functions as a storage chest.

The SP21 version is an EA OVERRIDE of the "Country Kitchen Kit" breadbox aka v2. 
It will not be compatible with other mods that override the EA breadbox.
Slot size changed to "SMALL", so it can fit on more surfaces. 
Now functions as a storage chest.