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
Attention: Safety Recall of Vernier Go Direct Charge Station. Click to learn more.
Ideas
Elementary School
Middle School
High School
College
Experiments
Find ready-to-use experiments that help you integrate data collection technology into your curriculum.
Educational Standards
Our products support provincial requirements for NGSS, AP, and more.
Educator Success
Learn from other educators. Find creative lab ideas using Vernier sensors.
Ideas
Get inspired with these helpful ideas!
Products
Sensors
Software
Lab Equipment
Interfaces
Lab Books
Packages
Shop All Products
Vernier products are designed specifically for education and held to high standards.
How to Order
We offer several ways to place your order with us. Explore your options.
Learn More About Us
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.
