FLXR Series Ruggedized Flexible Light Pipes VCC FLXR Series Ruggedized Flexible Light Pipes have a robust anodized aluminum body that delivers NEMA 4 protection from the elements. The optical core ends are polished to ten microns for optimal light transmittance. The VCC FLXR Series feature ESD protection and are resistant to shock and vibration. A low profile allows for anti-vandalism defense, and a wide viewing angle maximizes light detection.