Replaces 28 watt 4 pin 2D compact fluorescet lamps using just 12 watts and lasting 20,000 hours longer (30,000 hrs life) This lamp is energy A+ rated and offers energy savings of 57%. CRI-85 – LMR-80. Extremely popular for use in office blocks and communal areas. These are not suitable for dimming or for use on unmodified control gear. For use with magnetic ballasts – remove starter and capacitor. For use with electronic ballast – remove control gear and wire direct to mains.