AMLEDTEK A-BF400-6 LED Filament Bulb A19 4W 6 Bulbs to Replace 40W Incandescent Bulb Softwhite (2700K) 6 pack Saving you up to $80.70 in energy costs in lifetime New filament bulb design Extra long lifetime of 18.3 years - reduces the hassle of frequent replacement Durable design and mercury-free Instant on, Warm light just as traditional bulb