May 14, 2019 - 06:22 AM
The BB2000 does require a filter in the empty spot you are seeing and we can assist you with this.
Please contact us for instructions and further assistance at 847-458-2334 Mon-Fri 9AM-5PM CST or firstname.lastname@example.org
Please also make sure to include your proof of purchase for warranty support
Bio Bidet Customer Support