unlatch shelving unit black red gray connections HarvestRight This item is in the category Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Other Vacuum Pumps. G1 / 2 \ (29). 7cfm (198l / Min) (14). 200l / Min (7cfm) (29).