Up for sale is a NOS - New old stock new item, never used... Rated at 100PSI \ 6.9 BAR working pressure.4 3\4" x 6 3\4" dimensions for mounting feet. I've heard of people using these to do everything from gold mining to parts washing... A simple, air powered, fluid moving device. This is NEW OLD STOCK. I have been able to test this single item for function. Due to this item having no original box, I have been able to test this for function. I did not attach a flow meter in-line, but it did move water without any leaks. The item "ARO IR ingersoll rand diaphragm pump 1\4 NOS fluid transfer air powered as is" is in sale since Friday, June 26, 2020. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diaphragm Pumps". The seller is "mr2-355" and is located in Portland, Tennessee. This item can be shipped worldwide.