Flo UL Replacement Strip Light, Replacement Strip Lights are for use with full or recessed hood base plates, They may also be used with glass canopies, Instant-start feature allows the use of timers, Top vents provide heat dissipation, and interior reflectors provide maximal light output into the aquarium, Water-resistant rubber boots protect switches from corrosion, Finishes: Black, Dimensions: 24"", SKU: RYLHC3923