Useful for studying mulls, films, solutions, and viscous liquids. Demountable windows make re-polishing and replacement easy. Pathlengths can be changed simply by using different spacers. Kit includes one cell holder, one PTFE O-ring and two gaskets, one aluminum plate, two PTFE stoppers, one space compensator for use with Irtran-2, and one each of six different pathlength spacers (0.015, 0.025, 0.05, 0.1, 0.2, 0.5 mm). Order 32 mm windows separately. Liquid cells require a drilled front window and an undrilled back window. Order replacement parts separately. Replacement parts: PTFE stopper, Z111996 PTFE gasket, Z112011 PTFE O-ring, Z176613