Whelen 35W Snap-In Halogen Bulb Brand: Whelen Part# H35SN12 Whelen 35 Watt Halogen Snap-In Replacement Bulb (White Dot), Single Axial (vertical) Filament. Part#: 01-0441987-00 and 34-0041987-00 Used for the following Whelen products: 4000 Motor/Reflector...