AMS Technologies Cletop is the replacement cleaning tape for the Cletop fiber optic connector cleaning cassette. This fully replaceable cleaning tape can be used for over 400 connectors in the Cletop Ferrule Cleaner. It is designed to clean 2.5 mm ferrules on SC, FC, ST, D4, DIN and LC connectors. - Designed so that all operators can consistently achieve high quality cleaning without alcohol or other solvents. Easy and safe to use whether in the engineering lab, on the production line, or in the field.