Listen to Outside Air Unit 2 online. Outside Air Unit 2 is an English language song and is sung by Sleep Baby Sleep, Relax & Relax, Relax Meditate Sleep, Deep Sleep Lullabies and Deep Meditation Lullabies. Outside Air Unit 2, from the album Vacuums, Dryers and Washing Machines (Loopable Audio for Insomnia, Meditation, and Restless Children), was released in the year 2015. The duration of the song is 1:04. Download English songs online from JioSaavn.