Gigablock UV Dye Based Bulk Pint(470ml) Black Refill Ink for CIS System Epson R260, R280, R380, RX580, RX595, RX680 and Artisan 50 - Made in USA Related CIS system : Epson R260/R280/R380/RX580/RX595/RX680 and Artisan 50 Cartridge Number : T0781/ T0782/ T0783/ T0784/ T0785/ T0786 Capacity : Pint (470ml) Color : Black Type : UV (Ultra Violet) Resistant Dye Based ink