(✪ω✪)【Note】☞This product is a GR10q 4-pin 2D 16W compact fluorescent bulb, it is a GR10q 4-pin bulb, not a GR8 2-pin bulb. The 4-pin bulb cannot be installed in a 2-pin lamp holder. 4-pin bulbs are not compatible with 2-pin fixtures or ballasts.
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