
The item's description references Clairol hair product's advertising slogan "Only her hairdresser knows for sure.".

The item's name is a portmanteau of two words, the first being "filament" (the wire in the bulb) and the second being either "elemental" (fitting the Pyro's fire-based nature) or "mental" (which describes the Pyro's pyromania and insanity).Items such as the Sight for Sore Eyes and the Professor Speks occasionally render as invisible when worn with this item.Fixed The Filamental displaying the burning material in DirectX8.The Color of a Gentlemann's Business Pants

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