Canon E-16 Black Toner Refill Kit 4 Pack for Canon E-16 E-20 E-31 E-40 Toner Cartridges & Canon PC300 PC310 PC210 PC230 PC740, PC940 Printers.

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