Your favorite high-quality industrial ink is now available in a convenient 10-pack. Just place an order with your ink supplier for CG339A, and get ten original HP 45A print cartridges in a single package. You save on shipping costs and inventory storage space.The HP 45A 10-pack CG339A is an easier way to order and manage HP 45A cartridges. You get the same high-quality industrial ink, based on HP's thermal inkjet technology, in a more space-efficient package.The HP 45A 10-pack offers proven original HP 45A industrial inks that deliver crisp black text on porous media.