Lithonia 48 2 Lamp Flanged Fluorescent Troffer (SP8F232A12120GE) The Lithonia Lighting 2-Light Flanged Troffer is designed for use in drywall ceilings and can be used for general illumination. This troffer features a low-profile design and uses two 32-Watt T8 lamps (not included). The A12 lens features reverse apex technology for superior lamp obscuration and improved visual comfort. Length/circumference (in.) 32.75, Product Height (in.) 47.5, Product Width (in.) 11.5, Product Depth (in.) 4 Electronic ballast troffer Diffuser provides a reduced lamp image Low-profile design ideal for restricted plenum spaces Uses two 32-Watt T8 lamps (not included)