VEVOR Single-Stage Rotary Vane HVAC Vacuum Pump, Model 7355605. Rated at 3.5 CFM for efficient evacuation of AC and refrigeration systems. Dimensions: 4.72 x 8.86 inches. Comes in original box in like-new condition with no damage or missing parts. Suitable for residential and light commercial HVAC work including charging and leak testing refrigerant lines.