[NMLinda]

Originally Posted by ShellyJo1969

Ok so where do I get the Adaptor to go fro ma 6 inch duct to a 8 inch?

Will these rigid vent duct's be what I'm needing to buy?
http://www.theductshop.com/shop/cata...ows-c-1_4.html

Also this is a striaight piece of it
http://www.theductshop.com/shop/cata...uct-c-1_3.html

I don't know how much to buy of each?

That's the right kind of bend and straight sections to use in my opinion - smooth walled metal ducting. Lowest loss, and I find it easy to use. You can find the same things at Lowes and Home Depot, too.