Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Whirlpool Gloves Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Whirlpool Gloves suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Whirlpool Gloves is part of the transmog set Vestments of the Purifier (Priest only). The other 16 pieces:
Lady Vashj's GraspID 132411 · Armor - Cloth · item level 50"Imbued with the power of the naga sea witch, your fingers inside feel frigid but surprisingly limber and..."
Items Numbered Next to Whirlpool Gloves
Blizzard numbers items as they are created, so the named items next to ID 141435 (141430 to 141440) were usually added in the same batch as Whirlpool Gloves: the same quest line, zone, vendor or reward set.