Aquarium fixture Water proof fixture T5/24WHO x 2 , T5/39WHO x 2,T5/54WHO x 2,T5/80WHO x 2 Model Rated VoltageTubePower FactorRate LifePLF-W-224120-227T5HO/24W x 20.9930000hrsPLF-W-239120-227T5HO/39W x 20.9930000hrsPLF-W-254120-227T5HO/54W x 20.9930000hrsPLF-W-280120-227T5HO/80W x 20.9930000hrsFeatures:IP44High frequency operation, no flickerConstant light output, preheat start,prolong lamp life. ...