Shop At 247 &reg; Compatible Ink Cartridge Replacement for Brother LC51 (3 Black, 3 Cyan, 3 Yellow, 3 Magenta, 12-Pack) Shop At 247 brand cartridge is sold exclusively by Shop At 247 Shop At 247 offers One-Year Warranty against defects Shop At 247 offers 180 Days Money Back Guarantee Black: Up to 500 Pages at 5% Coverage; Color: Up to 400 Pages at 5% Coverage These replacement cartridges were professionally manufactured in an ISO 9002 factory