GE F20T12/CW/ECO is a 20W T12 linear fluorescent lamp from the GE Ecolux® range, designed for general commercial and industrial lighting applications. The lamp features a 24-inch (609.6mm) T12 glass tube with a G13 medium bi-pin base. It provides Cool White illumination at 4100K with approximately 1200 initial lumens, CRI 60 and a rated life of approximately 9,000 hours. The lamp is designed for operation with a compatible rapid-start fluorescent ballast.