QORPAK Closure,45 mm Dia,Natural,PK1000

Closure, Diameter 45 mm, Screw Closure Size 45-400 mm, Closure Material PTFE, Product Type Disc Closure, Closure Color Natural, Closure Liner Material PTFE, Closure Type Disc Liner, Autoclavable Yes, Septa Included No, Vented No, Mouth Size Narrow, Standards Not Applicable, Special Features Discs Convert Ordinary Caps into Non-Contaminating Closures, Closure Liner Design Flat, Package Quantity 1000