Spare bulb is for Series 25 lights. Festoon base,12 volt, bubble packed. 1 per pack.

This is a festoon bulb (double ended), with indents in the contacts instead of points like a traditional festoon bulb.

It is only available through AquaSignal dealers as it is made specifically for this series of navigation lights.

Somewhere on your light you'll find T25 10W. If you have that stamped on the light, this is what you need.

This item generally ships in 1-2 days.

Replacement Light Bulbs - All Sizes and Styles	( Part # ANC BULB )
AQUA SIGNAL CORPORATION	( Part # ASL ListingHeader )

http://www.aquasignal.de/pdf/lob2004/S026_027.pdf

E-Mail sales@shipstore.com with any questions.