Marine 30W T8 12V Navigation lamp with a BA15D base | 30T8/CL/NAV/BA15D/12V | Bulbs.com
DOPKUSS G4 LED Light Bulbs 3W Bi-pin 30W T3 Halogen Bulb Equivalent, AC/DC 12V Warm White 3000K, Non-dimmable LED Bulb for Home Landscape of 10 Pcs - Amazon.com
Tomshine AC/DC 12V 3W G4 LED Light Bulb Equivalent Replacement of 30W Halogen Lamp Energy-saving Bi-Pin Base Shatterproof Bulb Replacement 360° Beam Angle 160lm Non-dimmable No Flicker Pack - Walmart.com