Studio : Kessil Publisher : Kessil Binding : Misc. Product Description Kessil is the only company to manufacture all led arrays in-house with custom spectral blends specifically tailored to meet aquarist needs. Patented Dense matrix led™ technology concentrates multiple led chips into an array, creating a powerful light source with better and deeper penetration, without sacrificing coverage. E-Series LEDs are 15% brighter. 0
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