Comparison : Item # 0023Q-9121, UV-VIS Cells/Black Masked Micro Cell with 1mm lightpath, 'Q'
Item # 0023Q-9122, UV-VIS Cells/Black Masked Micro Cell with 5mm lightpath, 'Q'
Item # 0023Q-9123, UV-VIS Cells/Black Masked Micro Cell with 10mm lightpath, 'Q'