The Fluke Networks NFC-CUBE Fiber Optic Cleaning Cube is the precision wipe platform for cleaning fiber optic end-faces. Because the #1 cause of fiber optic cabling failures are due to contaminated end-faces, it is imperative that all optical fiber connections are clean and free of contaminants. Fluke Networks' Fiber Inspection & Cleaning Tools are the solution. Whatever your particular needs are, Fluke Networks provides you with the solution to ensure your fiber connections don't bring your network down.