Replacing round vent

[2020learn]

Hello. How can I replace my old round bathroom vent with a square one? It's 8.5 inches in diameter and I can't find the same size as the old one in the store. Can I just use the fan motor of the new square vent to replace the old round one?

 

[Sylvan]

Do you have a sheet metal shop near by who prefabs ducts?

 

[Sponsor]

 

[Fitter30]

This place will make a 9" round to 12x12 crimper can shrink 9" down and duct sealer.
https://www.famcomfg.com/product/sq...MIrafU1tKo7AIVRtbACh3I4Aa1EAQYAiABEgL4UvD_BwE

 

[2020learn]

Do you have a sheet metal shop near by who prefabs ducts?

Unfortunately non that I know of.

 

[2020learn]

Here's the picture of the vent- the cut out is about 10 inches and the metal vent is 9 inches in diameter: