The DiversiTech PF-16 Pro Flush Flushing Solvent is a high-quality product designed for use in air conditioning and refrigeration systems. This flushing solvent, with model number PF-16, is specially formulated to effectively clean and maintain HVAC systems. With a single pack containing one container of flushing solvent, this product is ideal for professionals in the HVAC industry looking to ensure optimal performance and efficiency in their systems.