Philips InstantFit T8 LED lamps fit seamlessly into your existing fluorescent fixtures, so you can switch to energy-efficient illumination just by swapping tubes. These ground-breaking linear lights come in a range of sizes, and they utilize your existing ballasts so no re-wiring is needed.Philips InstantFit tubes are compatible with 80% of fluorescent ballasts in use today. What’s more, they provide energy savings of up to 40% compared to fluorescent 32W T8 systems.Providing a quick and convenient way to upgrade to LED, InstantFit is setting new standards in sustainable lighting.