Elemental Air

Source
This item can be looted from most level 18-68 Elemental monsters.

Elemental Air as a quest objective
This item is an objective for the following quests:

Elemental Air as an ingredient
Elemental Air is used in the following recipes:

Blacksmithing

 * Edge of Winter
 * Whirling Steel Axes

Engineering

 * Truesilver Transformer

Tailoring

 * Robe of Power

Other

 * Crest of Beckoning: Thunder (used to summon a Abyssal Templar, Hoary Templar in particular)
 * Scepter of Beckoning: Thunder (used to summon a Abyssal Lord, High Marshal Whirlaxis in particular)
 * Signet of Beckoning: Thunder (used to summon a Abyssal Duke, Duke of Zephyrs in particular)