Whatman™ Polyester Drain Discs

The polyester drain disc is binder free and has a thickness of 100 µm.

• Flat surface to eliminate filter tearing or rupturing
• Used as a separator between membrane layers in serial stack filtration applications

This chemically inert support disc is available in a variety of diameters for use in a range of devices. With Application in General laboratory microfiltration, Quality control and sterility testing, Removal of particulates from HPLC solvents, Tissue culture media filtration.