Originally Posted by EricW
The F on this page is not the same, that is a octagon brush, and will not fit in the CO27. The CO27 uses Laydown brushes. The Trinity RC4504 Cross Cut E Brush, looks simmilar to an F Brush, but I don't think they are the same, but I could be wrong, I have always gotten mine from team br00d so I only know them as F-Brushes.