100W Hyper Red 680nm High Power LED chip - Lumixtar
LED Xml2 High Power LED Chip 5050 10W Red 670nm 675nm 680nm Diode 5050 SMD LED Chip - China LED 5050 670nm 10W, LED 5050 Red 680nm 10W | Made-in-China.com
3W 680nm 740NM 810NM 850NM 940NM 980nm 1050NM infrared IR led light + 20mm PCB | eBay
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Amazon.com: MiracleLED 604969 6W Grows for Pennies Grow Led Bulb with 680Nm Red & 470Nm Blue with Free Bonus Hooded Clamp Light Fixture : Patio, Lawn & Garden
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680nm Deep Red 5050 Flexible LED Strip, 60/m, 12V, 5m Reel