L-com's unique flange adapters allow for the mounting of common keystone style adapters and connectors in virtually any rack or panel but your application may not require every slot available in your rack or panel. The ECF-BLANK is designed to cleanly and neatly fill any vacant slots you don't need. Empty slots provide an unwanted avenue for dust and debris and they simply do not look neat. Fill that gap with an ECF-Blank part. Available singly or in packs of 25. Order online today or call us with your applications.