Hi,
Things like this
http://swedishledgrowlights.com/product/wholesale-600w-cob-led-grow-light-kit-led-diy-hydroponic-cob-indoor-led-grow-lamps-for-growing-plants-ems-free-shipping/
or like this
http://g01.a.alicdn.com/kf/HTB1.3IyPFXXXXc0apXXq6xXFXXX4/30W-font-b-COB-b-font-Hydroponics-LED-Grow-Lights-Flood-LED-Grow-Lamp-AC85-265V.jpg
All this things but without cob inside
https://www.cobgrowlights.com/
Well you see what i mean.
Things like this
http://swedishledgrowlights.com/product/wholesale-600w-cob-led-grow-light-kit-led-diy-hydroponic-cob-indoor-led-grow-lamps-for-growing-plants-ems-free-shipping/
or like this
http://g01.a.alicdn.com/kf/HTB1.3IyPFXXXXc0apXXq6xXFXXX4/30W-font-b-COB-b-font-Hydroponics-LED-Grow-Lights-Flood-LED-Grow-Lamp-AC85-265V.jpg
All this things but without cob inside
https://www.cobgrowlights.com/
Well you see what i mean.