Compatible Ink Cartridge for C4936A /C4937A /C4938A /C4939A (HP 18) 1.Top quality, 2.competitive price, 3.timely ... delivery. Compatible Ink Cartridge for C4936A /C4937A /C4938A /C4939A (HP 18)Product Feature OEM CodeColorInk VolumeInk TypeSuitable for printerC4936A ... bearing such trademarks. Compatible Ink Cartridge for C4936A /C4937A /C4938A /C4939A (HP 18)