1:Good quality & energy saving and environmental protection. 2:Manufactured by professional bulk ink system manufacturer. 3:The bottle's volume is 1.5 liter and the cartridge's volume is 1800 ml. 4:Minimal user particpate. 5:Packing size:56*36*35cm. 6:This product also can suitable for /hp10000s/seiko 64s/seiko100s/oce 6060s *The bulk ink system operation method: Firstly , the cartridge are loaded into the printer in turn ;secondly, the tube cantact with every cartridge and bottle with ink tube. Don't forget to install switch among the tube.And do regulate the float to appropriate height. Packing size :56*35*36.