Item Details
28 watt- 10"x10" Great for 3x2x18 and under
65 watt- 15"x10" great for 3x2x2-5x2x18
100 watt- 15"x30" great for 5x2x2- 7x2x2
150 watt- 15"x40" great for 8x2x2-10x2x2
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