HASKEL M-21 AIR DRIVEN LIQUID/ FLUID PUMP 2600 PSI MAX WP 21:1 RATIO (1). I'm going to say this p u m p is used but it appears to have never been used it has been setting on a shelf for quite some time I tested 100 PSI of air produces 2100 PSI hydraulic. The item "Haskel M-21 AIR DRIVEN LIQUID/ FLUID PUMP 2600 PSI MAX WP 211 RATIO (1)" is in sale since Wednesday, May 27, 2020. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Other Pumps". The seller is "iamcheap11" and is located in North Vernon, Indiana.This item can be shipped to United States.