CEYE For Brother LC12 LC17 LC71 LC40 LC73 LC75 Empty Refillable Ink Cartridge V4 Empty refillable ink cartridge. Clear plastic structure easy for ink level checking. Sponge less design for maximum reload capacity. Built-in 2 micron filter to prevent print head clogged. Reusable plugs for easy refilling. Suitable for all types of ink, dye ink etc. With double ink capacity compare to original cartilage thus doubling the printing capacity.