Parker LLD Series filter-driers are used for removing harmful contaminants including moisture, acid, metal chips, copper oxides and wax-like compounds in air conditioning, heat pumps, and small refrigeration systems. These units feature solid molecular sieves that provide outstanding filtration capability while providing exceptional water & acid capacity. They also have polyester pad seal core to prevent refrigerant bypass. Choose from a wide range of these liquid line filter-driers, available in SAE flare and solder connection types.