LED Lighting LED Recessed Fixtures LED Recessed Troffer Shielding Standard lens is high transmission pattern #12 acrylic (A12) for light diffusion which maximize light output. Other lens are available and may be specified. Size W x L x H in inches 23.75W x 48.0L x 4.0Dp, LED Engine Programmable Driver changes LED Array output to provide different outputs. Post Painted Powder Coat Finish. Shallow design for low clearance plenums. *For larger orders or Fixture Schedules call for discounts* The 131 Series LED Troffers feature a choice of LED arrays and drivers to meet a range of full distribution output and wattage choices. With the 131 LED Series, flexibility is a key feature. No longer need to sacrifice output, color or energy usage with this series, you can specify exactly what you need. Choice of four color temperatures. Choice of dimming driver with 0 to 10 Volt operation. Full selection of diffusers available along with other options. Clear 0.10thk A12 acrylic lens is standard; many options available. ETL Listed for the US and Canada.