Flat Oval Spiral Duct Enjoy the beneath movie to begin to see the set up of oval duct and fittings. Recognize which the reducer getting used is undersized on its collar enabling the oval duct to slide over the collar. They can be applying Unistrut with threaded rods as hangers https://ovalconduit35566.onesmablog.com/new-step-by-step-map-for-round-conduit-77521404