Combi Poi-TechW Series Replacement Cassettes (5-pack) with Deodorizing Function - Brand: combi - Model Name: Poi-TechW Deodorizing - Feature: With deodorizing function - Main unit: Not included Thank you for looking. One cassette out of the original 6-pack has been used. The remaining cassettes will be shipped in the box shown in the photo. I am currently using a different diaper pail, and I also have the main unit. If you are interested in a used one, I can clean it and disinfect it with alcohol before selling it. Please let me know if you need it.