Upgrade your lighting setup with this 4-pack of PL9/SP41K 2 Pin 9W Compact Fluorescent Single Tube bulbs. These cool white (4100K) bulbs are ideal replacements for Sylvania 21273, Sunlite 60060, Feit Electric, Philips 148700, and TCP 32009 models with a G23 base. Designed for efficient and long-lasting performance, these compact fluorescent lamps provide bright, energy-saving illumination for your home or office. With a sleek and modern design, these bulbs seamlessly integrate into various lighting fixtures, delivering a crisp and inviting ambiance. Enjoy consistent and reliable lighting with this convenient 4-pack of high-quality replacement bulbs.