Efficient LED Grow Lights: SP150 mounts 322 pcs@120V (360 pcs@240V) diodes, consumes only 140w electrical power, but has matching PPF output with a 250w HPS light while saving 44% electrical energy. Adequate PPF Output:Emitting 261umol photons per second, SP150 LED growing light promises 1.8g/w...
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