Fiber Optic Cleaning Kit - cleaning cube with wipes, five cards with sealed cleaning zones, solvent pen and 2.5mm port cleaning swabsDirt, dust and other contaminants are the enemies of high-speed data transmission over optical fiber. Today's network applications require more bandwidth than ever, making loss budgets tighter than ever. Hence, it is critical that all optical connections are free of contaminants to avoid having application performance issue.Fluke Networks’ Fiber Optic Cleaning Kits contains the best fiber optic cleaning tools to effectively remove the toughest contaminants in any fiber network. You can choose between the easy-to-use IBC OneClick Cleaners, the convenient cleaning cube/card and the best optic solvent pen to clean both patch cords and fiber end faces inside ports. All fiber optic cleaning materials are lint-free and enable an optimal wet and dry cleaning process.