Polycarbonate (PCTE) Membrane Filters, Black, 0.2 Micron, 25mm, 1
Polycarbonate (PCTE) Membrane Filters, Black, 0.2 Micron, 25mm, 100/pk. These hydrophilic, polycarbonate track-etch (PCTE) membrane filters have been pigmented using black dye to minimize membrane autofluorescence. The dyed PCTE membrane filters are ideal for use with fluorescence microscopy analyses that involve direct observation and