Kumenyekanisha Umuyoboro Mugari wa Amerika yepfo ST58 LED Filament Bulbs, igisubizo cyo kumurika impinduramatwara gihuza uburyo, imikorere, no kwizerwa.Amatara yashizweho kugirango atange imikorere idasanzwe mubice byinshi bya voltage ibidukikije, bigatuma bahitamo neza kubisabwa mubucuruzi nubucuruzi muri Amerika yepfo.