The US Conec 12836 NEOCLEAN E is a dry cloth cleaning tool specifically designed to clean single fiber connectors residing in an adapter, faceplate or bulkhead. Each Fiber Optic Cleaning Tool features a dust cap which acts as an adapter for cleaning unmated connectors. NEOCLEAN E is a refillable system that removes oil and dust contaminants improving optical performance. The US Conec 12836 cleans 1.25mm LC and MU connectors.