Genuine HP 304XL High Yield Ink Cartridges, Black and Tri-Color Multipack
OEM code 304XL. HP DeskJet 3720, HP DeskJet 3720 blue. HP DeskJet 2630 3720 3760. Compatible Printers: HP DeskJet 3730. HP DeskJet 3720 seagrass. HP DeskJet 3720 Series. HP DeskJet 3732. HP DeskJet 3762.