(MDF TEXT) Black Cyclopore membranes are ideal for epifluorescence and other microscopy applications requiring a contrasting background, The polycarbonate membrane is used to filter the sample and is then used directly for analysis, The dark membrane gives lower background fluorescence and improves the sensitivity of the test, Cyclopore PC Black, 0,2 µm, 25 mm, 100/pk (WEB) Cyclopore Polycarbonate (PC) Membrane, black, 0.2 µm pore size, 25 mm Cyclopore PC black membranes Black Cyclopore membranes are highly suitable for epifluorescence and other microscopy applications requiring a contrasting background. The polycarbonate membrane is used to filter the sample and is then used directly for analysis. The dark membrane gives lower background fluorescence and improves the sensitivity of the test.