Spectralux T5 HO 4 FT 6500k Blue Lamp 54W - RASA Garden Supply Company
NUWATT LED T5 Tube 4FT, Frosted Lens, 24W 3200 Lumens, 5000K, 120-277V, Type A & B Tube PC Coating Wire Ballast Double Sided or AC Direct, Replacement Tube Light (30 Pack) - Amazon.com