Spectralux Green T5 HO 54 Watt 4 ft (25/Cs) Default Title - $0.00 Please contact us if you are interested in this product. This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. These lamps illuminate green when turned on. They work great in our single lamp Sun Blaze® Strip Lights or Strip Light Supremes. Only use in T5 HO fixtures, not VHO.