The advantage of the second generation no sponge refill cartridge:
1.Adopt the spongeless structure, avoid to break the printer head because of the cartridge aging.
2.Add two unilateralism valve on the base of primary struction, make sure not to leak ink, print spot, block the printer head when printing in any environment.
3. The incorporate cartridge (such as T026/T027/T028/T029/T036/T037/T038/T039etc), the refilling hole and the air hole are the same, match with our vacuum refill tool is more convenient, concision.Take out the rubber plug when use the cartridge. If use the fission cartridge (such as T0481-T0486/T0441-T0444etc), do not take out the rubber plug.