The JB Industries 6" Pump Ball Valve Whip End CLV-6B is a high-quality evacuation/vacuum pump designed for HVAC and refrigeration applications. Made in the United States, this 1/4" charging pump features a 6-inch length, making it ideal for efficiently removing air and moisture from refrigerant lines. With its reliable brand reputation and specific model, this vacuum pump is a valuable tool for maintaining and repairing refrigeration systems.