Aqua Lung Mikron Regulator - DiscontinuedMikron Regulator Lighter than air no, but you get the idea: the Mikron is the smallest and lightest regulator in the Aqua Lung collection. Equipped with our patented auto closure device plus a pneumatically balanced second stage, this small but mighty regulator lets you float comfortably through baggage claim and the deep blue alike. Features 1st Stage: Travel Ready. The reduced size and weight makes the Mikron the ideal choice for travelers Auto