The Cliplight 944KIT Advanced Refrigeration Super Seal is a metal-based refrigerant leak repair sealant designed for HVAC and refrigeration systems. This product, specifically the 944KIT model, offers a high-quality seal to prevent leaks and ensure optimal performance in commercial and industrial settings. With the Cliplight brand known for its reliability and expertise, this sealant is a trusted choice for maintaining and repairing refrigeration systems effectively. new open box sold as is