For sale-Buy It Now are 3 Backlighting Bulbs used in Federal Signal Switchboxes

USA made original replacement ML7370 bulbs in clear, 0.04 amp,0.72 watts at 18Volts

NOTE: you will need to remove the green rubber cap from existing bulbs & reuse if you have them

These are a direct replacement for Federal Signal SW-300 & SW-400 Switch boxes

I ship 1st class mail within 24 hrs of payment

Check my other Listings for New Switches & labels for the SW300,both LED backlit & momentary types - Get that box new again