3M™ Cold shrink end caps EC Series are close ended, tubular rubber sleeves that are factory expanded and loaded onto a removable core. When positioned over the end of a cable or other cylindrical object, the core is removed to provide a reliable environmental seal. Four different end caps are available to accommodate a wide range of sizes. 3M™ EC Cold Shrink End Cap accommodates cables, pipes and other cylindrical objects of a wide range of sizes. It offers good resistance to abrasion, water, fungus, acids, alkalis and ozone to ensure long lasting usage. The cap is factory expanded and loaded onto a removable core. It provides a reliable moisture seal once the core is removed and it is positioned over the end of a cable or other cylindrical object.