Globe Scientific Transport Tube Screw Cap, Polypropylene, Clear, Non-Sterile, Without O-Ring, for Sample Tubes with External Threads (6030-6059), 1000/Pk

These polypropylene screw caps are designed for use with sample tubes featuring external threads, specifically fitting Globe Scientific tube numbers 6030-6059. They are clear, non-sterile, and disposable, providing a reliable seal without an O-ring. Each package contains 1000 caps.