The PL-S9W/2P is a 9 watt, 167mm (7 inches) single end base G-23 compact fluorescent lamp. It uses a 2-pin G23 base and has a compact design, making it suitable for use in tight spaces or for replacement in existing fixtures. It is often used in residential, commercial and industrial lighting applications. With a long life and energy efficiency, it's a cost-effective lighting solution.