Protects filters and gels from tearing, bending or folding. 1/3mm thick polypropylene mesh with 1mm strand spacings and approximately 70% void volume for rapid equilibration with liquids. Supports gels and filters during incubation with nucleic acid probes, antibody probes, equilibrium buffers, stain and destain solutions, etc. Serves as permeable carrier and stacking spacer for one or more membranes and gels during incubations and other procedures. Improves the uniformity of hybridization and binding assays. Flow-Mesh is made of polypropylene mesh approximately 1/3 mm thick with 1 mm strand spacings and approximately 70% void volume.