CompAndSave offers the remanufactured HP 45 Ink Cartridge 3-Pack, model no. 51645A, bundled with the remanufactured HP 78 Ink Cartridge, model no. C6578DN, for $29.99. Coupon code "20DEAL" cuts them to $23.99. With $3.99 for shipping, that's $20 below the lowest total price we could find for similar remanufactured cartridges purchased separately elsewhere. They are compatible with several HP printers. Coupon expires March 1.