A:AnswerTo ensure you have all required parts for installation, please review the section titled: "Tools And Materials Required (Not Supplied)" on pg. 12 of the Owner's Manual.
A:AnswerConvertible means you can use the same range hood for rectangular vents going up or going backwards, or circular vents going up, and finally if none of the vent options are present you can convert it to a ductless mode, and air would just circulate in the kitchen area through fan! Hope this answer helps!