Gigablock Continuous Ink System: Refillable Cartridge for Brother printers that are used in LC61 38 16 970 98067 1100 Inks made in USA Fits all Brother printers using LC61 38 16 970 98067 1100 cartridges 12-15 times more ink volume than OEM cartridges Quck and easy installation. (Easy instrution is included) Easiest refill w/ our pour spout refill bottles for future refill