Wilden M-8 stainless steel pneumatic powered diaphragm pump capable of 5 to 150 gpm depending on air supply and consumption. Pump is rated for maximum air pressure pump of 125 psi. Unit is capable of pumping up to 1/4" diameter particulates. Equipped with 1/2" OD air inlet and 2" OD pump inlet / outlets. Mounted on stainless steel base.