Sometimes referred to as mutins, are placed between the two glass panes in an insulated glass unit. Grids give the appearance that the window pane is made up of several "lites". Placement of the grid between the glass allows for easy cleaning.
Choices include, size of bars in the grid, from 5/8" to 1-1/16" width. Shape of the grid bar can be flat or sculptured and can simulate a variety of patterns.