Universal HVAC Reducer & Transition (NRD), for 14in. collars only.

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Universal HVAC Reducer & Transition (NRD), attaches to 14" collars only. Universal HVAC Reducer: Inventory 1 size instead of 5. Snap it on & convert a 14" collar (neck) diffuser in to a 12" or 10" or 8" or 6". PLEASE NOTE: The universal reducer (NRD) only fits on a 14" collared diffuser or return to size it down to a 12" or 10", or 8" or 6". Reduce Inventory: Stock one neck size-14" and scale it down. Reduce Prep Time: No measuring or counting, no more running of neck sizes, quickly adjust at job site. Reduce Install Time: Snaps onto the neck and holds tight, rigid plastic won't collapse during install. Reduce Frustration: Unique Strapping Ridge prevents slip off when reducer is strapped onto duct. Product Videos Spec Sheets & Data NRD Reducer Spec Sheet Show more