A:Answer Hi Sri,
Thank your inquiry we appreciate you taking some time to know more about our product specifically the vent for your microwave.
Even in its slim size, this hood has a powerful 400 CFM ventilation system that quickly removes steam and odors that result from cooking.
To address your question here's a link for your product specification.
https://downloadcenter.samsung.com/content/UM/202108/20210806100046717/ME11A7510D_00_EN_MES_CFR_210728.pdf
You can turn to page 5 for the ventilation size and recommendation.
In case you need further assistance you may reach us via the following options.
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Reference number: 1144191629
Thank you for choosing Samsung,
^Ross
