8 Watt 70 Volt Transformer8" Coaxial Driver with Tuned EnclosureASTM E119 Standard, NFPA 251Designed to Work in 32 Different 1,2, & 3 Hour Rated Ceiling Designs as Listed in the 1999 UL Fire Resistance DirectoryEnclosure-Fiber Kit Includes Pre-Cut Fiber Enclosures, Metal Enclosure, Rail Set, and HardwareFR Series Assemblies Include Enclosure Kit, UL Listed Speaker/Transformer Assembly, and UL Listed BaffleQuick Installation & Low Installed CostUL 263 Listed for Fire Rated CeilingsUses Industry Standard Atlas Strategy Series Components with Proven PerformanceIncluded Baffle:  FA720-8FRIncluded Speaker:  FA97-8FRIncluded Enclosure:  FA138T87FRSafety Listed:  ANSI / UL 263 (ASTM E119, NFPA 251)