Stopper, Stopper Size 6, Neck Size 25 mm, Screw Closure Size Not Applicable, Bottom Diameter 26 mm, Top Diameter 32 mm, Overall Height 25 mm, Material SBR Rubber, Product Type Stopper, Color Black, Autoclavable No, Number of Holes 1, Standards ASTM D2000, Special Features Not Applicable, Resists Abrasion and Water, For Labware Type Bottles, Vials, Liner Material Rubber, Hole Diameter 5 mm, Package Quantity 20. This item has been restricted from sale in the following state (s): []