1.Adopt the spongeless structure, avoid to break the printer head because of the cartridge aging.
2.Innovate it base on the first generation cartridge, make sure not to leak ink, print spot, block when printing.
3. 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.

Specifications
Suitable to the printer model:
C63/C64/65/C66/C84/C86/
R210/R310/RX510/R810/R200/R300/R320/RX500/R800/R1800
C70/C80/C82/C83/2100/2200/950/960
CX3500/CX3600/CX5100/CX5300/CX4600/CX5200/CX6400/CX6600/RX420/RX425/RX430/RX600/RX620/RX630.
Suitable to the cartridge model:
T0321/T0322/T0323/T0324/T0422/T0423/T0424/T0331/T0332/T0333/T0334/T0335/T0336/T0341/T0342/T0343/T0344/T0345/T0346/T0347/T0348
T0441/T0442/T0443/T0444/T481/T0482/T0483/T0484/T0485/T0486/T0551/T0552/T0553/T0554/T0561/T0562/T0563/T0564/T0461/T0472/T0473/T0474/T0491/T0492/T0493/T0494/T0495/T0496T0540/T0541/T0542/T0543/T0544/T0547/T0548