CWF灯管F30T8/CW CWF灯管为美国冷白商店光源(Cool White Fluorescent) 色温：4150K ，美国客户常用；公司代理品牌有：飞利浦 PIHLIPS，奇异GE，喜万年 SYLVANIA等。 GE F20W/33-640 COOL WHITE Made in Hungary GE F40W/33-640 COOL WHITE Made in Hungary GE F20T12-CW-ECO 20W USA PHILIPS TL-D 18W/33-640 Made in Poland PHILIPS TL-D 30W/33-640 Made in Poland PHILIPS TL-D 36W/33-640 Made in Poland SYLVANIA F20T12/CW Cool White USA SYLVANIA F20T12/CW Cool White Canada SYLVANIA F20W/33-640/RS COOL WHITE Made in Germany SYLVANIA INSTANT RAPID START F20W/33-640/IRS Cool White SYLVANIA F40W/33-640/RS COOL WHITE Made in Germany SYLVANIA F30T8/CW Cool White Made in USA GE F36T12-CW COOL WHITE USA