First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
Related
Cleanup Crew's Wastemask Game Data
Appearance
In the Appearances collection, Cleanup Crew's Wastemask is listed as Boss Drop. Appearance IDs: 96704, 96693, 96649, 96691. 1 other item wears the same appearance:
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Cleanup Crew's Wastemask Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Cleanup Crew's Wastemask suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Similar Items
The 4 items nearest to Cleanup Crew's Wastemask (item level 623) in item level among Armor > Cloth, Head slot, from item level 545 to 610.
Cleanup Crew's Wastemask is part of the transmog set Jewels of the Aspectral Emissary (Mage only), which the Appearances collection lists in 4 versions. The other 13 pieces:
Blizzard numbers items as they are created, so the named items next to ID 228871 (228866 to 228876) were usually added in the same batch as Cleanup Crew's Wastemask: the same quest line, zone, vendor or reward set.