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220V 2D Four-Pin Butterfly Lamp GR10q 10W 21W 38W Modulator Tube Tri-Phosphor Fluorescent Energy-Saving Light Bulb White - AliExpress
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Amazon.com: GR10q 4 Pin LED Bulb 10W 2D Square Butterfly Lamp (Replaces 16W 2D Linear Fluorescent Lamp) GR10q LED Lamp Must Have Ballast Removed/bypassed When Installed (Cold White:6000K) : Everything Else
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