One-Click Cleaner D-LC (Duplex LC): Reduce cleaning time with the new One-Click Cleaner D-LC. Offering the same performance and easy-to-use one-click technology as the original, the One-Click Cleaner D-LC cuts cleaning time in half by effectively cleaning both LC connectors of a duplex LC at one time. 500+ duplex LC cleans per cleaner (1000+ LC connector cleans).