Panasonic KX-FA77 Drum Unit Cartridge (6k Pages)
Panasonic KX-FA77 Drum Unit Cartridge is used for the Panasonic KX-FL501, KX-FL521, KX-FLM551 fax machines. Panasonic brand supplies works best for your Panasonic fax machines and make using Panasonic drums make them last longer.