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LED Chip 440nm-450nm High Power LED Diode 3W Blue - China 3W LED 450nm, LED Diode 450nm | Made-in-China.com
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Amazon.com: Chanzon High Power Led Chip 100W Royal Blue Plant Grow Light (440nm-450nm / 3000mA / DC 30V-34V / 100 Watt) SMD COB Emitter Diode Components 100 W Bead for DIY Hydroponic
