F2305 4 1/4" x 25" x 3", 2-75 watt T-8 lamps F2304 4 1/4" x 38 3/4" x 3", 3-75watt T-8 lamps F2306 4 1/4" x 52" x 3", 4-75watt T-8 lamps F2308 4 1/4" x 65 1/4" x 3", 5-75watt T-8 lamps F2307 4 1/4" x 79" x 3", 6-75watt T-8 lamps