National Scientific 8-425 Screw Thread Caps with Inserted Septa
Storage cap has a solid top and pre-inserted PTFE disk liner
$20.40
# Pre-assembled caps and septa are convenient and minimize contamination from handling
# Phenolic caps can be autoclaved
# Kim-Lok™ cap/septum assemblies feature a molded centering ring to eliminate septum movement during injection
More from National Scientific