Qwik System Flush®, is a superior formulation that is 9-10 times more effective in moisture absorption & acid removal than competitive products. Our formula was designed by Mainstream Engineers to remove acid, sludge, excess oil, and moisture. It is non-flammable, non-toxic, ozone safe, and manufactured in the US. During your next retrofit project, system burnout, or clean-up use Qwik System Flush!