May 20, 2019 - 02:40 PM
Thank you for contacting Biobidet Support.
The Iodine Water filter is only threaded for the BB-2000 model. You will only want to select the Carbon filter at this link provided.
You will only want to use a water filter if your water is hard, otherwise this filter not needed.
If you have any further questions, please contact us further at email@example.com
Source: Water Filter