... ,21W,28W & 35W b.High power factor available T4,T5 fluorescent lighting fixture CE/UL/CUL6W,8W,12W,14W,21W,28W & 35W High ... application, linkable for continuous lighting (up to 10 F28T5/F28T4 fixtures)Diamensions WattageT4 DIMENSIONS LxWxH (MM)HG108-6W2382035HG108-8W3452035HG108-12W4452035HG108-16W4902035HG108-20W5352035HG108 ...