![](http://store.waveformlighting.com/cdn/shop/files/4005-4002_1.jpg?v=1696365081&width=1500)
A19 LED Bulbs
Most commonly used screw-in lamp size. Offers light output of 450-800 lumens, equivalent to 40-60 watt incandescent bulbs.
![](http://store.waveformlighting.com/cdn/shop/files/4006-A21_1.jpg?v=1696365093&width=1500)
A21 LED Bulbs
Slightly larger than their A19 counterparts. Offers light output of 1600 lumens, equivalent to 100 watt incandescent bulbs.