Canon ImageRunner C3100 C3170 GPR-13 4 Pack Toner Refill - GPR-13K, GPR-13C, GPR-13M, GPR-13Y

This toner refill kit will produce the same amount of pages as an OEM cartridge would.
 

This Refill Kit includes:

1. 4 high yield bottles of toner
2. Easy to follow instructions
3. Funnel caps for easy pouring
4. Gloves to keep your hands toner free
5. Magnetic toner cloth for easy toner clean up