Cleans Bulkhead, Adapters, and End-face Surface Sticklers® Cleanclicker for bulkhead adapters fiber optic connector cleaning delivers great cleaning results at a lower cost per connector today. The Sticklers® Cleanclicker CCu250 cleans dust, particulates, and oil contamination.  Sticklers® Cleanclickers CCu250 offers 750+ cleanings and is refillable.  Hence, providing the lowest cost