Stopper Stem
The Stopper Stem, or tapered valve connector, is a plastic Luer-Lock connector with a tapered, ribbed tip. When inserted into a stopper hole, it allows a Luer-Lock connection to the stopper.
$2.00
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Our products compliment your teaching and help your students engage with key STEM concepts.
Educational Standards
Our products support provincial requirements for NGSS, AP, and more.
