Description
Procon® 113A100F31XX Series 3 Stainless Steel Rotary Vane Pump 100GPH (300LPH), EPDM Nitrile, No Relief Valve Type_Malt Internal dimensions 18" long Internal dimensions 18" long x 11" wide x 12" deep This means the surface area that the gas pushes against while the diaphragm is closed is significantly closer to the surface area it pushes against when the diaphragm is open