Upgrade your refrigeration system with the Refrige-Air Copper Filter Drier, a high-performance solution designed to protect and extend the life of your HVAC and refrigeration equipment. Made from durable, corrosion-resistant copper, this 1/4" x 1/4" liquid line filter drier features a bi-directional flow design with dual cup screens for maximum filtration efficiency. It effectively removes moisture, acids, and debris that can harm your compressor and reduce system performance. Compatible with R134A, R502, R22, and R12 refrigerants, it's the perfect universal fit for capillary systems in both residential and commercial applications. Each 3-pack includes a built-in charging valve for easy servicing and scored ends for a fast, secure installation. Whether you're a technician or a DIYer, Refrige-Air delivers the quality and reliability your cooling system demands.