Azeroth DB
Mana Sieve
Item Level 1
Quest Item
"While this is in your possession, you are able to safely interact with unstable mana found throughout Shen'dralas."
Where to find it
No Azeroth Forever: World Recorder player has seen where it comes from yet. Azeroth Forever: World Recorder
WoW Forever item sources and crafting uses
WoW Forever bags up to level 30: slots and how to get themAdventurers’ notes