Caps Septa PTFE Butyl

Black polypropylene screw cap, 8.5mm center hole, 13mm diameter, with white PTFE/red silicone septa

Black polypropylene screw cap, 8.5mm center hole, 13mm diameter, with pre-slit white PTFE/red silicone septa

Black polypropylene screw cap, closed-top, 15mm diameter

Black polypropylene screw cap, closed-top, 15mm diameter, with Natural PTFE/Natural silicone septa 13.5x1.5mm

Black polypropylene screw cap, closed-top, 15mm diameter, with red PTFE/white silicone septa 13.5x1.5mm

Black polypropylene screw cap, closed-top, 15mm diameter, with white PTFE/red silicone septa 13.5x1.5mm

Black polypropylene screw cap, 9mm center hole, 15mm diameter, with Natural PTFE/nature silicone septa 13.5x1.5mm

Black polypropylene screw cap, 9mm center hole, 15mm diameter, with white PTFE/red silicone septa 13.5x1.5mm

Black polypropylene screw cap, 9mm center hole, 15mm diameter, with red PTFE/white silicone septa 13.5x1.5mm

  Cap Type Screw Cap Cap Size 9mm Color Black Material Polypropylene Pre-slit No Center Hole Size 9mm  

Black polypropylene screw cap, 7mm center hole, 10mm diameter, with white PTFE/red silicone septa

White polypropylene screw cap, 15mm center hole, 24mm diameter, with Natural PTFE/Natural silicone septa 22x3mm

  Cap Type Screw Top Cap Size 8mm Color Black Material Polypropylene Center Hole Size Closed Top

  Cap Type Screw Top Cap Size 8mm Color Black Material Polypropylene Pre-slit No Center Hole Size 7mm Septa Type Red PTFE/White Silicone  

  Cap Type Screw Top Cap Size 8mm Color White Material Polypropylene Pre-slit No Center Hole Size 5.5mm Septa Type White PTFE/Red Silicone  

Black polypropylene short screw-thread cap, closed-top, 9mm diameter

Blue polypropylene snap-top cap, 6mm center hole, 11mm diameter, with blue PTFE/white silicone septa

Blue polypropylene snap-top cap, 6mm center hole, 11mm diameter, with red PTFE/white silicone septa

Blue polypropylene snap-top cap, 6mm center hole, 11mm diameter, with white PTFE/red silicone septa

Natural polypropylene snap-top cap, 6mm center hole, 11mm diameter, with white PTFE/red silicone septa

Red polypropylene snap-top cap, 6mm center hole, 11mm diameter, with white PTFE/red silicone septa

Color: GrayFeatures: Overall Outer Diameter: approx 20mmPlug Outer Diameter: approx 13mm±0.1mmUsed glassware will show signs of wear sometimes including residue, light scratches, stickers/tape or exterior markings. Thorough cleaning and sterilization (if...