The NCHBF‑163S is a solid-core, bi-directional liquid line filter-drier specifically designed for heat pump systems. It provides effective filtration (down to 25 μm), removes moisture and acids, and offers high pressure resistance (up to 653 PSIG). Its outstanding durability is ensured by a robust construction and anti-corrosion coatings. Compatible with a wide range of modern refrigerants, it meets key certifications such as UL and CE. The design is optimized to minimize pressure drop and enhance system efficiency. Bi-directional liquid line filter-drier for refrigerant systems, 3/8″ sweat fitting.