THE CIMPLE CO, A Family Company located in the USA, is proud to offer these high quality and durable f Caps, also known as weather caps (not terminators). F81 Caps, using the F-Pin connection (standard on US Cable systems). These connectors may be installed indoors or outdoors - ensuring that the female port stays clean and free from dust, dirt, rust, or debris. We back our product 100%, with easy returns, as well as free technical and customer support.