Graco Husky 2150 A ir Operated Diaphragm Pump. Air Exhaust Port Size (in). Air Exhaust Port Thread Gender. Air Exhaust Port Thread Type. Antifreeze, Detergents, Motor Oil, Hydraulic Fluid, Water - Wastewater Transfer.This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Diaphragm Pumps". The seller is "thoroughbred_industrial_supply" and is located in this country: US. This item can be shipped worldwide.