Grote Industries' new SlimWhite Lamps are available in both 18- and 48-in. lengths and measure just 1.25 in. wide and .75 in. thick. The lamps feature a 485-lumen light output, low heat emissision and polycarbonate lenses. Both lamps come in 12-volt configurations and the 18-in. lamp also is available in a 24-volt style.