Wire Mesh Partition Components - Adjustable Filler PanelsAdjustable filler panels fill in blank spots on the ends of wire mesh partitions to plug up potential security risks. Filler panels come in two sizes: 1' x 4' and 1' x 8' that slide over the ends of existing wire mesh sections. Bolt holes on the filler panels are separated per every inch and allow the filler panel to fill in a space between 6" and 10" wide. The holes line up with holes on the existing panel which are drilled in at the top and bottom