Discover the convenience of Nalge Nunc Low-Profile Closures designed specifically for NALGENE Micro Packaging Vials. Model NALGENE 362821-0115 features a sleek, low-profile design that ensures a secure fit, minimizing the risk of contamination. Made from durable PPCO material, these closures provide excellent chemical resistance and stability. Ideal for laboratory use, they accommodate various applications, from sample storage to reagent containment. With easy-to-use screw-on functionality, these closures enhance efficiency while maintaining the integrity of your samples. Upgrade your lab supplies with these reliable closures for optimal performance!