A:AnswerIt has a washable/replaceable screen on the bottom that draws in steam and grease from the range. It discharges the filtered air strait up from a vent behind the door.
A:AnswerHello. Thank you for your inquiry. Mounting to the wall itself is not a possibility with this Microwave. We do apologize for any inconvenience this may cause.
A:AnswerIt has been a while. I do not know the actual weight of shipping. I pick it up at Best buy. You can get tthat info on Best Buys Web page under the item your are looking at.
A:AnswerFirst are you installing over a stove. If so there is usually a require height over the burner the micro should be placed.
In your package, there are instructions on placement for vents. My vent hole is in the cabinet that is ceiling high and a hole thru the top of the cabinet , thru the studs and out side vent.