Ink & Toner For You Compatible Ink Cartridge Replacement for HP C8721W ( Black , 6-Pack ) Ink & Toner 4 You  Brand Premium Quality Compatible Ink Cartridges 1 Year Worry Free Satisfaction Guarantee SMTC, ISO9001, ISO14001 Certified Includes: 6 x C8721W Black For Use In: HP Photosmart 8250, 3210, 3310, C5180, C6180, C7180, D7160, D7360, 3110, C6280, C7280, C5150, C8180, D7260, C7250, D7460, C5100, C5140, C5175, C5183, C5185, C5188, C5190, C6100, C6150, C6175, C6183, C6185, C6188, C6200, C6240, C6250, C6270, C6275, C6283, C6285, C6286, C6288, C7200, C7275, C7283, C7288, C8150, C8183, D6160, D7145, D7155, D7168, D7245, D7255, D7263, D7268, D7345, D7355, 3210v, 3210xi, 3310xi