A Core deposit is a form of deposit you pay until returning your old part. If you don't have the core at the time of purchase, you must pay the core charge. That charge is refunded to you when you return the core.
Permatex Heavy Duty Radiator Cleaner
Removes rust and scale from automotive engines, radiators and water jackets.
Cleans and unclogs steam cleaner coils and boiler tubes.
Not for use in aluminum radiators.
Suggested Applications: Engines, radiators, water jackets, industrial and maintenance applications