Sporlan Type Replaceable Cores and Filters primary purpose is to provide unparalleled control of the most harmful contaminants in HVAC & R systems. Moisture, acids, and solid debris are effectively captured to ensure the long life, efficiency, and capacity of today’s high performance air-conditioning and refrigeration systems. The cores can remove moisture, acids, dirt, and contaminants. The filter will remove solid contaminants in the piping following installation.