For any of the Ebac Desiccant range you will generally require the use of high temperature flexible ducting for the wet air outlet, though rigid ducting could be used if preferred. It is advisable to keep your ducting length as short as possible to maximise efficiency.
Please refer to the PDF's for a better understanding of the accessory and installation methods & requirements.
Ebac DD200 Installation - Ebac DD200 General Assembly
Ebac DD300 Installation - Ebac DD300 General Assembly
Ebac DD400 Installation - Ebac DD400 General Assembly