Scienceware - Model Cell -Colorimeter

Choose from two sizes: 10 x 40 mm or 20 x 40 mm. Cells are bi-directional for desired light path. If solution depth of 2.5 mm is desired, insert reduction plate, Thomas number 3075A30, into 10 mm glass cell. Complete with Filters (3074D10 and D35), Glass Cell (3075A40), storage case for filters and instruction manual covering colorimetric determinations of inorganic elements and organic compounds; has 3-wire cord and plug.