... : New design for low cost; One unit is good for over 500 cleaning; the cartridge is replaceable; Easy to replace. Wide application areas ... , FC, ST, D4, LC, DIN and Bionic connectors. Cleaning tape is replaceable, thus reducing the long-term cost.●Life time: more than ... , FC, ST, D4, LC, DIN and Bionic connectors. Cleaning tape is replaceable, thus reducing the long-term cost●Life time: more than ...