LED COB Chip 10W 20W 30W 50W 220V Smart IC No Need Driver 3W 5W 7W 9W – Didactic Days
LED COB Chip Fitalampa Grow Lights Mitre 10 For Indoor Garden And Greenhouse Lighting From Wuchashuo, $16.41 | DHgate.Com
Bettomshin 1Pcs COB LED Panel Chip, Aluminum SMall Board 30W Warm White 3000K High Power for Ceiling Recessed Puck 25x25mm - Amazon.com
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2pcs LED COB 25mm 20W 30W Square Flip chip High Lumen Strip Light Source Module COB Bulb lamp for Downlight - Amazon.com