The CaF2 Semi-Demountable Cell Window comes as a set of rectangular windows, one drilled and one undrilled. These windows are made of calcium fluoride and have a thickness of 4 mm.
Semi-Demountable Cell Windows are rectangular windows and come in a variety of window materials. Each window measures 41 (H) x 23 mm (W), and they come in pairs. These windows require, but do not include, the Universal Demountable Cell (L1270986).