GR10Q 4-PIN 16W(Size: 13.3cm*13.3cm) Compact Fluorescent Lamp Warm White
It is not compatible with 2-pin bases. This product is with 4 pin GR10q fitting, NOT 2 pin GR8 fitting! Ensure you have selected the correct cap fitting 2. NOTE: If you are using a 16W 2PIN bulb and want to replace it.