A:AnswerHello, The Pisa under-cabinet hood may be ducted either vertically or horizontally. You may want to log on to our website to view more detailed information:
https://zephyronline.com/product/pisa-vent-hood-under-cabinet/
You can also open the Pisa User Guide and see ducintg options on page 7.
https://zephyronline.com/product/pisa-vent-hood-under-cabinet/
Thank you for your inquiry!