Biax™ S compact fluorescent lamps can provide savings of up to 73% in energy costs compared to incandescent lamps. Low wattage Biax™ S lamps are ideal for new installations or to replace existing incandescent lamps. The Biax™ S lamps have built-in internal starters. They have a rated average life of 10,000 hours, which results in fewer lamp changes and a reduction in maintenance costs over the life of an installation.