Prolite 4 watt filament ST64 gold tint lamp. 2200K warm white. This light bulb is a popular replacement in decorative and vintage light fittings. The innovative design of the exposed LED filaments and gold tinted glass replicates the appearance of the carbon filament bulb offering a 360 degree light distribution as well as all the other benefits of LED technology. Ideal replacement to 25W-40W incandescent light bulb. Average life 25,000 hours. 340 Lumens.