Canon IP3600 IP4600 IP3680 IP4680 MP540 MP980 Refillable Cartridge( 520/521)

Specifications︰ 1.Suitable for CANON cartridges:
PGI -820BK/CLI-821BK/C/M/Y (Asia);
PGI-520BK/ CLI-521BK/C/M/Y (Europe);
PGI-220BK/ CLI-221BK/C/M/Y (America);
BCI-320BK/ BCI-321BK/C/M/Y (Japan);
2. Suitable for CANON printers:
Canon IP3680/ IP4680/ MP638 (Asia);
Canon IP3600/ IP4600/ MP540/ 620/ 630/ 980 (Europe);
Canon IP3600/ IP4600/ MP620/ 980 (America) ;
Canon IP3600/ IP4600/ MP540/ 620/ 630/ 980 (Japan)

Advantages︰ 1.Similar structure with original cartridge, use anti-cautery sponge, prevent breaking the printer head because of the cartridge aging.
2. Make sure not to leak ink, print spot, block during printing.
3. Enlarge the refilling hole, conveniently and simply to refill.