You can purchase digital filter packs to use along with your chi card or chi generator at http://www.chi-card.com/digitalfilterpacks.html
The link above has a description of all of the filters available in each pack. Each filter is a trend energy, which is carried to the person you’re working on along with the chi energy of the chi card. You will receive a username/password to download a zip file which contains jpg files. You then print the filters out to use along with your chi card or you can purchase the basic manifestation program and receive all of the filter packs along with the program.