A pad washer (or pad washer) is a tool that helps to clean polishing pads without removing them from the backing plate. The tool rinses out the pad so it can be used again while detailing. This is often quicker than changing the pad and eliminates the need for a second set of polishing pads.
IPA stands for IsoPropyl Alcohol, and is a chemical compound often used in the world of detailing to remove polish residue. The liquid is colorless with a strong odor. Caution is required for this liquid is very highly flammable!