... lamp,GLS lamp,is uniformity in pitch,shape,color,luster and piece weight,long life We can supply ... ,triple coil,and non-standard filaments. They are widely used in incandescent lamp, energy-saving lamp, auto lamp, halogen lamp,GLS ... -coil: 110V-250V, 1,000-5,000 hoursFeatures:1) Uniformity in pitch, shape, color, luster and piece weight;2) High lighting efficiency3 ...