Please note, left-hand thread bulbs will not fit standard Medium (E26) base sockets.

The Satco S11311 is a 10-watt A19 LED bulb delivering 1050 lumens of cool white (4000K) light, ideal for commercial and industrial applications. Its unique medium left-hand thread (E26LHT) base serves as a theft deterrent, preventing compatibility with standard right-hand sockets. With a 15,000-hour rated life and non-dimmable design, this frosted-finish bulb ensures consistent, energy-efficient illumination. Suitable for enclosed fixtures and damp locations, it operates reliably across a wide temperature range.