Ignore the ugly look.
Sometimes I cooked food with very strong smell. That smell sometimes is not expected by many neighbors, they protested. Rather than to use exhaust fan, I considered to install funnel on top of the stove, then I will pipe it to the roof. I expected it will send the air-smell high enough. But, learned from another neighbor, that way is still not solve the problem. The air-smell sometimes is still there, especially when wind blows, the smell went anywhere. It considered become pollutant. Then, I was thinking how to solve. What is the best way to treat that air-smell?
Is any method how to treat that smell so it become neutral (or "clean") before it "delivered" the the free air? Just consider like water-waste treatment of any industry, it must treated before released to the nature/river. I expected that there is one device which such the smell, and proceed until it clean, and then deliver to the air.