BF-150 "U" shaped, 40 watt Replacement Bulb for the current BK-80 Flowtron Bug Zapper which is the BK-80D model. Bug Zapper bulbs should be replaced every season to ensure maximum output in the invisible ultraviolent frequency range.
See our Replacement Bulb Application Chart to ensure the correct replacement bulb for your bug zapper. If you do not see your make/model listed on that page, then we are unable to advise a bulb for your unit!