... good heat dispersion 4.frosted,white,transparent T5 led light tubeSpecifications:1)good heat dispersion2)pc cover ... by yourself Note:1)just supply led tube shell(including aluminum shell,pc cover,end caps),if ... you want PCB board,driver,or led,wwe e ... outlay or both ends upwardCarton size122*32*28cmTube typeT5 manufacturer of t5 led aluminum pipe