The TE Connectivity / AMP Brand part 211903-1 is a protective dust cap or cover designed to fit Shell Size 22 CPC Connectors. Made with a durable zinc alloy body, this dust cap ensures reliable protection and longevity for your connectors. Whether for industrial or commercial use, this dust cap is an essential accessory to shield your connectors from dust, debris, and other potential damage, ensuring optimal performance and a longer lifespan.