Converts 2 lamp F40T12 industrial 1X4 fixture to 1-F32T8 system. •Kit includes 4.25" wide brackets, tek screws and lampholders. •1 year warranty. •5.0" wide brackets available upon request. •Also available with flat ballast cover to convert to a strip fixture. •91% reflectivity adequate for most retrofits. • Use two of these kits butted end to end for 8 foot conversions.