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6pcs 3pairs Fluorescent CFL (NOT LED) 14W 28W T8 To T5 G13 To G5 Tube Light Endcap Lamp Base Holder Socket Converter Adapter - AliExpress
Plant Grow Light Product Full Spectrum Horticulture 4FT 28W T5 Integrated LED Light Tube for Plant Grow - China T5 LED Grow Lights, T8 LED Grow Lights | Made-in-China.com