Qorpak Cap 38-400 White Polypropylene 48 Bags with 12 Caps Each

The Qorpak CAP-06634 is a specialized screw cap designed for sealing laboratory bottles and vials with a 38-400 neck finish. The "38" refers to the cap's diameter in millimeters, while the "400" denotes the thread style, which is a continuous thread. This cap is a crucial component for providing a secure and leak-proof closure, protecting the contents from contamination and evaporation. It is a versatile accessory for a variety of laboratory applications.