FantasyBuy CIS Refill Kit with 6 Colors UV(Ultra Violet) resistant Ink for Continuous Ink System of Epson R200 R300 R340 RX500 RX600 RX620 Epson 48 49 (Related Cartridge # : T048120, T048220, T048320, T048420, T048520, T048620) Uni-Kit refill for the Epson R200 R300 R340 RX500 RX600 RX620 Continuous Ink System Comes with 120ml of each color (120ml Black, 120ml Cyan, 120ml Yellow, 120ml Magenta, 120ml Light Cyan, 120ml Light Magenta) Equivalent to 8 ~ 9 cartridges per color; Thats a total of about 40 ~ 45 cartridge yields all in this 1 refill kit Perfect buy for high volume printers, this represents over 200% savings compared to buying new OEM cartridges The ink in this refill kit is UV(Ultra Violet) resistant Dye based and matches the OEM quality in both quality and page yield