* Order-related, cannot be canceled *, set consisting of 5 NP-FIBER21 cleaning pens Fiber optic cleaning pen for LC/MU fiber optic connectors The NTT NEOCLEAN-F12 cleans all common fiber optic connectors with 1.25 mm ferrules such as LC and MU (APC and UPC) and offers over 1000 cleaning cycles in a compact pen format.