Bulk Ink 1 Liter Black for HP 88/88XL Bulk Ink 1 Liter Black for HP 88/88XL Top quality ink in bulk (1 Liter), Black, use it in our refill kits, CISS systems, refillable cartridges, cartridge mates In used for our replacements for HP (Deskjet, HP Photosmart, HP Officejet, HP PSC) HP Officejet Pro K550, HP Officejet Pro K550dtn, HP Officejet Pro K550dtwn, HP Officejet Pro K5400, HP Officejet Pro K5400dtn, HP Officejet Pro K5400tn, HP Officejet Pro K8600, HP Officejet Pro K8600dn, HP Officejet Pro L7400, HP Officejet Pro L7500 Series, HP Officejet Pro L7550, HP Officejet Pro L7555, HP Officejet Pro L7580, HP Officejet Pro L7590, HP Officejet Pro L7600 Series, HP Officejet Pro L7650, HP Officejet Pro L7680, HP Officejet Pro L7700 Series, HP Officejet Pro L7750, HP Officejet Pro L7780