U3000灯管常用的有哪些？

U3000灯管美国商业荧光-色温3000k, 稀土商业荧光灯，用于商场照明。部份美国客户商店光源,如沃尔玛（wal-mart）,Sears等. Philips U30为目前市面上zui受用的3000K色温灯管，举凡GretagMacbeth、GTI等大厂的灯箱，皆使用此灯管做为3000K色温标准光源。

PHILIPS F30T12/30U/RS 3000K ULTRALUME USA

PHILIPS F20T12/30U 3000K ULTRALUME USA
PHILIPS MASTER TL-D Super 80 18W/830 made in Poland 
PHILIPS MASTER TL-D Super 80 30W/830 made in Poland
PHILIPS MASTER TL-D Super 80 36W/830 made in France
PHILIPS TLD 18W/830 WARM WHITE made in Thailand
PHILIPS TLD 30W/830 WARM WHITE made in Thailand
PHILIPS TLD 36W/830 WARM WHITE made in Thailand
Sylvania F017/830/XP/EC03 3000K
Sylvania F025/830/XP/EC03 3000K
GE Ecolux W/Starcoat F17T8-SPX30-ECO
GE Ecolux W/Starcoat F25T8-SPX30-ECO