The SeriesLock Cap helps to reduce the possibility of contamination during periods of disconnect in our male fittings.

Polypropylene is a lightweight, general-purpose material that is a sterilizable and medical-grade material.

Silicone O-Rings are resistant to extreme environments and high temperatures.

Size 4 Caps are designed to fit a male housing that accommodates tubing that measures 1/4″ or 6.35mm (ID).