Upgrade your lighting with this set of (2) Philips PL-T 18W/835/4P ALTO compact fluorescent bulbs. These 4-pin bulbs are designed with a T4 shape and provide a warm white light with a color temperature of 3500K. With a long bulb life of 10,000-14,999 hours, they are a reliable and cost-effective choice for your home or office lighting needs. The bulbs have a wattage of 18 and are compatible with a variety of connectors, making them easy to install. Perfect for lamps, lighting fixtures, and ceiling fans, these Philips bulbs are a great addition to any space.