Specification-grade, full-body housing end plates and socket tracks, Narrow linear design for applications requiring T8 lamping, Five-year, 55°C or three-year, 65°C ballast warranty, Segmented optical design optimizes performance by two distributions, Numerous shielding options available, Standard 4' or 8' lengths, Suspension-mount with optional wire hook and chain set, F-Bay modular power supply available for quick power disconnect