Specification: For Epson Stylus C67/C87/CX3700/CX4100/CX4700 Cartridge Model: 4 colors 4 cartridges: T0631, T0632, T0633, T0634 Feature: 1. Adopt the spongeless structure, prevent breaking the printhead. 2. Base on the first generation cartridge. 3. No ink leaking and blocking. 4. Sprue plug and air flitter in connection mode.