Assembled screw cap with hole with PTFE/silicone septum black polypropylene hole cap, thread for 18-400, PTFE/silicone, septum thickness 1.5 mm, for use with 15 mL vial, pkg of 100 ea
Assembled screw cap with hole with PTFE/silicone septum black polypropylene hole cap, thread for 18-400, PTFE/silicone, septum thickness 1.5 mm, for use with 15 mL vial, pkg of 100 ea
Assembled screw cap with hole with PTFE/silicone septum black polypropylene cap, thread for 24-400, PTFE/silicone, septum thickness 3 mm, for use with 20, 40, or 60 mL vial, pkg of 100 ea
Assembled screw cap with hole with PTFE/silicone septum black polypropylene hole cap, thread for 15-425, PTFE/silicone, septum thickness 1.5 mm, for use with 7 mL vial, pkg of 100 ea
Assembled screw cap with hole with PTFE/silicone septum black polypropylene hole cap, thread for 13-425, PTFE/silicone, septum thickness 1.5 mm, for use with 4 mL vial, pkg of 100 ea
Assembled screw cap with hole with PTFE/silicone septum black polypropylene hole cap, thread for 10-425, PTFE/silicone, septum thickness 1.5 mm, for use with 2 mL vial (large opening), pkg of 100 ea