2 ea EC1301 Empty Filters
1 ea SC1301 Sanitization Filter With Chemical
To use this, you put in the last position along with 2 ea EC1301 filters and perform the sanitization of your easypure system.
You can discard the SC1301 Filter but keep the 2 ea EC1301 Filters to use next time you sanitize your system.
You can also keep the SC1301 Filter as a spare. Once the chemical is used up (1 time use) the filter is the same as the EC1301.
Also available as a kit of all three empty filters as EC1303.