Tight space duct work (7 duct for microwave venting) - is this possible?

How to Choose the Right Kitchen Vent Hood - This Old House

How To Vent Your Microwave Outside [Over The Range Style]

Tight space duct work (7 duct for microwave venting) - is this

Poor kitchen cooking ventilation

Microwave ducting through roof

Microwave ducting through roof

Connecting Over the Range Microwave to Existing Vent to the Roof

Range Hood vs. Microwave: Vent Hood Options

How to Route Your Microwave Exhaust Vent to the Outside - Today's Homeowner

What To Do if Your Kitchen Doesn't Have a Vent

Range Hood vs. Microwave: Vent Hood Options