Making round duct reducer 8in To 6in Duct Reducer
Do you stretch your flex duct before you install it, I never used to but I was recently informed of the correct way to do it. The more Connecting duct ends (male to female) can be frustrating AF. But if you flare the edges of the female end of the steel it makes the 8 inch to 6 inch duct reducer cfm loss : r/hvacadvice ...