Explore our range of high-quality Caps and Plugs from STAUFF Connect's LOK series of Instrumentation Fittings. Designed to meet the needs of various industrial applications, these Adapter Fittings ensure secure and reliable sealing. Our Caps and Plugs are essential components for maintaining the integrity of your systems, preventing contamination and ensuring optimal performance. Whether you're working on hydraulic, pneumatic, or other fluid systems, our products are engineered to deliver exceptional durability and performance. Trust STAUFF for all your Instrumentation Fitting needs, and choose our Caps and Plugs for unmatched quality and reliability.