Discover the convenience of the Kimble/Kontes KIMAX Culture Tubes. Designed for laboratory precision, these disposable culture tubes feature a secure screw cap finish, ensuring a tight seal to prevent contamination. Made from high-quality KIMAX glass, they offer excellent clarity and durability, ideal for various microbiological applications. Each tube is designed for easy handling and optimal sample storage. With the model 73750-20125, you can trust these tubes to deliver reliable results every time. Perfect for researchers and lab technicians looking for efficiency and quality in their experiments!