Devacurl Devafuser Universal Diffuser For All Curls Blowdryer Attachment Pre-Owned in Excellent Condition! No Flaws used only a few times. The DevaFuser® is designed to fit most commercial hair dryers of the following size specifications: barrel diameter measuring 2” – 2 ½”, barrel circumference measuring 5 ½” – 6 ½”, and barrel length measuring 2 ½” – 6 ½”. It’s the best helping hand your curls could ask for! The patented DevaFuser® helps dry your curls with gorgeous shape, definition, and touchable volume. The innovative 360-degree airflow surrounds curls and gets right to the roots (where it takes longest to dry) for speedier drying time than traditional diffusers. And the ceramic inner core helps preserve moisture to reduce frizz and enhance shine.