Nyco NL294-G4 Coil Cleaner, 128 OzHighlights: Size: 128 Oz Removes soil, dirt and oxidation film from coils and fins on air conditioning units, humidifiers, condensers and heat exchange equipment Clean coils and fins circulate air more fully and the systems operate and cool more efficiently improving the performance of the cooling systems and lowering the costs for electricity Regular use with central air conditioning systems as well as with window or portable units will help keep