Qualitative Filter Paper, Diameter 18.5 cm, Material Cellulose, Porosity Medium, Minimum Pore Size 11 micron, Maximum Pore Size 11 micron, Thickness 0.2 mm, Fluted No, Grade 1, For Use With Gas, Liquids, Overall Length Not Applicable, Overall Width Not Applicable, Standards FDA, Shape Disc, Package Quantity 100. This item has been restricted from sale in the following state (s): []