Ecospiral 3774 20 Watt (75 Watt Equivalent) 1300 Lumens Mini Spiral CFL, Warm White Upgrade - replace your old 75 watt bulb with this new, best in class, flicker free 20 watt CFL Save money - this bulb uses 75% less energy and will save you up to 150 on your utility bills over the lifetime of the bulbs Long lasting - this Energy Star certified CFL will last 10 years and fit in most lamps Familiar light color - 1300 lumens and has the warm white light you are used to Eco-friendly CFL - New Zealand designed ultra low mercury CFL featuring "Mercury Lock" technology designed to keep you and the environment safe