The ESSENTRA / RICHCO part EFA02-10-ASS is a Fiber Dust Cap designed to protect ST connectors in fiber optic networks. It is made with high-quality stainless steel, ensuring durability and longevity. This dust cap effectively prevents dust, dirt, and other contaminants from entering the connectors, helping to maintain optimal performance and reliability in network connections. Its compact and easy-to-install design makes it suitable for various ST connectors. Upgrade your fiber optic network's protection with the ESSENTRA / RICHCO Fiber Dust Cap - ST - Stainless Steel.