A:AnswerHi Churchlady, this particular Range Hood can be installed to vent to the exterior or recirculating. Here is the link to the "Dimension Guide" for this model, to let you see what the installation requirements are: https://bit.ly/3IgMCCg
Please don't hesitate to reach out to us for direct assistance if you have any further questions or concerns. Whirlpool 866-698-2538 M-F 8 AM to 6 PM ET.