ND &trade; Brand Dinsink 3x30ml Black refill ink kit for HP 21 27 56 61 ink cartridge:PSC 1310, PSC 1311, PSC 1312, PSC 1315, PSC 1315v, PSC 1315xi, PSC 1317, PSC 1318, PSC 2100, PSC 2170, PSC 2200,...The item with ND Logo! ND Brand refill ink for HP 27 ink cartridge The item comes with detail refill instruction. You can refill ink for your original ink cartridge. It is a big saving. Highest UV resistant rating on market Three bottles 30ml black ink The ink quality is same as OEM ink