AMLEDTEK A-BF400-4 LED Filament Bulb A19 4W 4 Bulbs to Replace 40W Incandescent Bulb Softwhite (2700K) 4 pack AMLEDTEK 4-Watt Filament-Style replaces your standard 40-Watt A19, saving you up to $80.70 in energy costs New filament bulb design is ideal for use in all general purpose lighting Extra long lifetime of 18.3 years - reduces the hassle of frequent replacement Safe for the environment and your home - durable design and mercury-free Warm light just as traditional bulb