For using, just run the tool through the fins on the AC unit where they are bent. The adjustment bar allows for the spacing of the tool to fit the fins on the unit
Steel tines loosen and clean accumulated scum and dust off Air conditioner fins, when the fin cleaner clean your AC system will work much better
fin Straightener made by stainless steel, meets or exceeds OEM standards, 100% tested before shipping.
It is important to have clean air filters in your furnace to get the most efficiency.