Compatible Canon CLI251XL Gray Ink For Use In CLI251XLG, CLI-251XLG, CLI 251XLG, CLI251GXL, CLI-251GXL, CLI 251GXL, CLI251 XLG, CLI-251 XLG, CLI 251 XLG, CLI251G XL, CLI-251G XL, CLI 251G XL, CLI251 G XL, CLI-251 G XL, CLI 251 G XL, CLI251, CLI-251, CLI 251, Pixma, MG, 5420, 6320, MX, 922, IP, 7220, 6452B001