red oak solid hardwood flooring unfinished red oak 3 1 4 x 3 4 18 75 red oak solid hardwood flooring red oak 3 common utility grade red oak 1 common grade unfinished r l colston 3 4 in select red oak unfinished solid red oak 3 4 pc solid hardwood flooring solid hardwood flooring red oak hardwood flooring red oak solid hardwood flooring 2 1 4 unfinished red oak flooring 3