Dimmable DLC Listed Ceiling Light Fixtures from TCP, 20W - 29W, $50 - $100, where Length is 45" - under 60", Width is 18" - under 30", Color Temperature (Kelvin) is 3500-3999, Fluorescent Equivalent is 50W - 100W, and Height is 2.7"
$112.78($56.39 per Fixture)