Sonoma Light Grey Shaker Assembled Kitchen Cabinet Collection
Wall Fillers and Base Fillers are used to provide finished spacing between cabinets or beside appliances.  Depending on your particular installation requirements, a Wall or Base Filler may be recommended or required to provide adequate clearances next to walls, doorways, or multi-depth cabinet designs.
Wall Fillers and Base Fillers can be used to provide finished spacing between cabinets or beside appliances. 
Fillers can also be used as decorative trim pieces or for customization of cabinetry.
Consider using fillers to step-out crown molding and allow it to sit flush with door faces.