Customize your FW3A with a glowing reflector gasket.
Take off front bezel, be careful not to lose lens. Pry Tri Reflector out with sharp edge such as excel hobby knife. Place gasket on reflector and carefully align holes and pegs on reflector, depress until almost flush with housing. Screw on bezel with lens.
Note: Color designation is from manufacturer and could be argued what they are calling yellow and green.