Sylvania 21275 CF7DS/850/ECO - 7W CFL - G23 Base - 5000K - 10ct Brand_Sylvania so they upgraded the thickness

so they upgraded the thickness of material used

The GUARDIAN™ Ultraviolet Monitor visually indicates the level of germicidal ultraviolet energy that penetrates the quartz sleeve and water within the water purifier

This water purifier also has several optional accessories available

Machine Vision

This bulb uses 300 watts and 130 volts

Sylvania 21275 CF7DS/850/ECO - 7W CFL - G23 Base - 5000K - 10ct Brand_Sylvania so they upgraded the thicknessThis product is a Sylvania 21275 CF7DS 850 ECO Single Tube compact fluorescent lamp. It has a G23 base, uses 7 watts, and has a 5000K color temperature. SYLVANIA DULUX S ECOLOGIC compact fluorescent lamps are an energy saving option over incandescent lamps. These lamps provide even light distribution and similar light output. When compared to a 90 Watt incandescent the 13 Watt DULUX S ECOLOGIC lamp will have up to 75% energy savings and ten times