Upgrade of an open large scale ventilated kitchen area ceiling

True to the motto „Just do it!”, open large scale ventilated kitchen area ceilings, in which the ceiling cavity is used as an exhaust duct, can be retrofitted with the very efficient X-CYCLONE technology! Even Professor Smart 🧐likes that! What he thinks and how Professor Smart outlines a modern kitchen ventilation can be seen here: https://youtu.be/APk5VOh4PYA