4-Pin GR10Q Base: 16W bathroom bulb features a 4-pin GR10q base, distinct from the 2-pin GR8! Easy to install, give the bulb a slight twist until it securely locks into place on the base. bathroom light bulb bathroom bulb 4 pin light bulbs 4 pin bathroom light bulbs 4pin light bulb fluorescent light fluorescent light tubes 2d 16w 4 pin light bulb 16w 4 pin light bulb 16w 4 pin bulb gr10q 4 pin cap base gr10q 4 pin led tube light bulb.
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