CEDIA 2019: Nuera Air Exhibits DuoVac Central Vacuum System, Hide-a-Hose SolutionSeptember 17, 2019 | Home / September 17, 2019 rave-video / CEDIA 2019: Nuera Air Exhibits DuoVac Central Vacuum System, Hide-a-Hose Solution CEDIA 2019: Nuera Air Exhibits DuoVac Central Vacuum System, Hide-a-Hose Solution