Coil Brush and Plastic Whisk Brush: the stainless steel is suitable for in line condenser; Pull the holder inward and insert the brush's curved head inward to clean the dust or straighten the deformed condenser, the plastic whisk brush is stiff and smooth enough to get the dirt and leave the condenser fins or coils clean without damaging the coils Fin Comb: the fin comb is made of plastic, and the teeth are about a quarter of an inch deep, which is applied to straighten old fins on condensing units; This fin comb tool repairs bent fins and air conditioning condenser brush can clean up the dirt on it Practical Collocation: equipped with two different brushes, the large white brush can clean up quickly and in a large area, and the small blue brush can clean the details in depth; The two kinds of brushes are practical and more efficient to clean up, and they are suitable for more different scenes to meet your different usage needs Warm Notes: regular usage of the radiator cleaning brush to clean the equipment can improve the efficiency of the air conditioner; Efficiency is very significant to the air conditioner, but these might not work on modern radiators that have lots of horizontal pieces and very fine radiator fins